what would you name a new element? - fscj.me web viewthe first step is to drop the first word...

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Path 4: Chapter 3 : Elements of Chemistry Study Pack Part A: Chemical and Physical Properties Answers Section 3.1 Part A1: Chemical and Physical Change Answers Section 3.1 Part B: Elements and Symbols Answers Section 3.2 Part C: Element Classification Answer Section 3.3 Part D: Compounds and Chemical Formulas Answers Section 3.4 Part E: Binary Molecular Compounds Answers Section 3.5 Part E1: Polyatomic Ions Answers Section 3.5 Part E2 Ternary Ionic Compounds Answers Section 3.5 Part E3: Binary/Ternary Acids Answers See Study Guide/not in Chapter Part F: Binary Ionic Compounds Answers Section 3.5 Part G: Matter Chart Answers Section 3.7 Part P: Periodic Properties Answer Section 3.3 Part V: Chapter 3 Vocabulary Answe r Chapter 3 Pages 84-84 Part A: Chemical/Physical/Nuclear Properties (Section 3.1)

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Page 1: What Would You Name a New Element? - fscj.me  Web viewThe first step is to drop the first word hydrogen and add a second word acid: ... fluor. ic. acid (aq) On Corwin 7. th

Path 4: Chapter 3: Elements of Chemistry Study PackPart A: Chemical and Physical Properties Answers Section 3.1Part A1: Chemical and Physical Change Answers Section 3.1Part B: Elements and Symbols Answers Section 3.2Part C: Element Classification Answer Section 3.3Part D: Compounds and Chemical Formulas Answers Section 3.4Part E: Binary Molecular Compounds Answers Section 3.5Part E1: Polyatomic Ions Answers Section 3.5Part E2 Ternary Ionic Compounds Answers Section 3.5Part E3: Binary/Ternary Acids Answers See Study Guide/not in ChapterPart F: Binary Ionic Compounds Answers Section 3.5Part G: Matter Chart Answers Section 3.7Part P: Periodic Properties Answer Section 3.3Part V: Chapter 3 Vocabulary Answe r Chapter 3 Pages 84-84

Part A: Chemical/Physical/Nuclear Properties (Section 3.1)

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Chapter 3 Part A: Chemical & Physical Properties1. Define: Physical Property:

2. Chemical Property:

3. Classify each of the following as a chemical or physical property:a. Color ________________

b. Odor _________________

c. Reaction with water: ____________________

d. Solubility in water: ____________________

e. Melting point: ____________________

f. Boiling point: ____________________

g. Sublimation Point: ____________________

h. Reaction with oxygen ____________________

i. Density: ____________________

j. Solid state: ___________________

k. Reaction producing a Gas: _____________________

l. Conductor of electricity: _____________________

m. Water is insoluble in gasoline: _____________________

n. Good conductor of heat: _____________________

o. Two chemical when mixed gives of heat: ___________________

p. Appearance at Room Temperature: ___________________

q. An element turns black when heated ___________________

r. Silver tarnishes in Air ____________________

s. An element is radioactive: ____________________

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Part A1: Chemical/Physical/Nuclear Change (3.1)

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Chapter 3 Part A1: Chemical & Physical ChangeState whether each of the following is a physical change, a chemical change, or a nuclear change:

__________________1. Electricity decomposes water.

__________________ 2. Methanol dissolves in gasoline

__________________ 3. Dry ice pellets disappear

__________________ 4. Iron oxidizes to rust

__________________ 5. Bromine vaporizes into a reddish-brown gas

__________________ 6. Uranium-235 splits into two small elements when bombarded with neutrons in an atomic bomb.___________________7. Copper conducts heat

___________________8. Baking soda fizzes in vinegar

___________________9. Grinding sugar crystals into a powder

__________________10. Sodium reacts with chlorine gas

__________________11. Adding air to a tire

__________________12. Slicing an orange into wedges

__________________13. Hydrogen atoms fuse into helium atoms in a hydrogen bomb

__________________14.” Dry ice”(Solid Carbon dioxide) vaporizes into a gas at room temperature and sea level pressure__________________15. Natural Gas burs with a blue flame

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Part B: Elements and Symbols (Section 3.2)

Page 6: What Would You Name a New Element? - fscj.me  Web viewThe first step is to drop the first word hydrogen and add a second word acid: ... fluor. ic. acid (aq) On Corwin 7. th
Page 7: What Would You Name a New Element? - fscj.me  Web viewThe first step is to drop the first word hydrogen and add a second word acid: ... fluor. ic. acid (aq) On Corwin 7. th
Page 8: What Would You Name a New Element? - fscj.me  Web viewThe first step is to drop the first word hydrogen and add a second word acid: ... fluor. ic. acid (aq) On Corwin 7. th

Chapter 3 Part B: Elements/Symbols

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Element Identification Homework Click on Element for Answer

Identify each of the following elements chalk board representation:

1. Element: _______________Symbol:_____ 2.Element: _______________Symbol:_____

3. Element: _______________Symbol:_____ 4.Element: _______________Symbol:_____

5. Element: _______________Symbol:_____ 6.Element: _______________Symbol:_____

7. Element: _______________Symbol:_____ 8.Element: _______________Symbol:_____

1 9. Element: _______________Symbol:_____ 10.Element: _______________Symbol:_____

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Part C: Element Classification Section 3.3

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Part C: Element Classification Sample Test

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Part D: Compounds and Chemical Formulas (Sect 3.4)

Page 13: What Would You Name a New Element? - fscj.me  Web viewThe first step is to drop the first word hydrogen and add a second word acid: ... fluor. ic. acid (aq) On Corwin 7. th
Page 14: What Would You Name a New Element? - fscj.me  Web viewThe first step is to drop the first word hydrogen and add a second word acid: ... fluor. ic. acid (aq) On Corwin 7. th
Page 15: What Would You Name a New Element? - fscj.me  Web viewThe first step is to drop the first word hydrogen and add a second word acid: ... fluor. ic. acid (aq) On Corwin 7. th
Page 16: What Would You Name a New Element? - fscj.me  Web viewThe first step is to drop the first word hydrogen and add a second word acid: ... fluor. ic. acid (aq) On Corwin 7. th
Page 17: What Would You Name a New Element? - fscj.me  Web viewThe first step is to drop the first word hydrogen and add a second word acid: ... fluor. ic. acid (aq) On Corwin 7. th
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Chapter 3 Part E: Binary Molecular Compounds Section 3.5

 

 The required Online Binary Covalent Molecular Homework The web site is: C: Binary Molecular Names:http://www.northcampus.net/Nomenclature/Molecules/25BinaryCovalent.html

C1: Binary Molecular Formulas: http://www.northcampus.net/Nomenclature/MoleculeFormula/25BinaryMolecularFormula.html

Here is a brief tutorial for Part E:  PART E: BINARY COVALENT COMPOUNDS Both elements are nonmetals attached by covalent bonds.  These bonds may be single, double, or triple covalent.  Due to the covalent bonding there are many ratios of the same two elements making

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many different compounds.  For this reason, the chemist states how many atoms of each element is present in the chemical formula in the formal name of the compound.

The element that is shown first in the chemical formula is written first using the proper prefix to indicate how may atoms of that element is contained in the compound.  If there is only one atom of that element it is often found without the prefix mono.  If you leave the prefix off then it is understood that you mean mono.The element which is written second in the chemical formula is written second in the chemical name, but in addition to the prefix indicating how many, the suffix of the element’s name is changed to -ide.   carbon becomes carbide                             chlorine becomes chloridesulfur becomes sulfide                                oxygen becomes oxidehydrogen becomes hydride                        nitrogen becomes nitride 

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Therefore, the following formulas of binary compounds would be spoken:CCl4                 carbon tetrachloride                                                      SO2                  sulfur dioxideCO2                 carbon dioxideN2O3                dinitrogen trioxide BH3                 boron trihydrideWe use common names for NH3, and H2O. What would be their correct binary molecular names? Methane, CH4, is the organic name for CH4, what would its inorganic name be?

Chapter 3: Part E Binary Molecular Compounds Using a periodic chart write the names or formulas of the following compounds depending on whether the formula or name is given:

Homework Packet Sample test: answer on grading outline

1. CO ____________________

2. SO3 _____________________

3. N2O5 _____________________

4. N2O7 _____________________

5. N2O _____________________

6. Phosphorus pentachloride _________

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7. Boron trifluoride _________

8. Carbon dioxide _________

9. Sulfur Trioxide _________

10. Carbon Tetrachloride _________

Chapter 3: PART F:    BINARY (IONIC) COMPOUNDS Section 3.5

Most Common Ionic Charges for Monatomic IonsPART F:    BINARY  (IONIC) COMPOUNDS

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The element written first in either the name or the formula is a metal.  The element written second is a nonmetal.  Salts are metallic and nonmetallic ionic compounds.  There are no molecules of salts-just macro ionic lattices.  Name the metallic element.  If the metallic element has more than one ionic state, write a ROMAN NUMERAL after the element’s name (In Parenthesis) to indicate which charge state the metallic element is using to form the compound. Drop the suffix off the nonmetal’s name and add -ide which indicates the salt is binary (exceptions: cyanide & hydroxide which are polyatomic ions).No prefixes are used to indicate how many atoms are present in the formula. 

Examples:NaCl                Sodium Chloride (table salt) Al2O3              Aluminum oxide FeS                  Iron(II) sulfide (Note: No space between the metal and the parenthesis) Fe2O3               Iron(III) oxide (rust)

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To write the formula from the name of the salt use the following procedure: (a) Write the symbols (or formulas for radicals) of the ions representedFor Example:  Calcium nitride (a)                                Ca          N

(b)  Use the periodic chart to write the ion charge of each element (or polyatomic ion) as superscripts:                            Ca+2            N-3

  (c ) Find the L.C.M. (Least common multiple) of the positive and negative charge.  The LCM is the smallest number that both charges will decide into evenly.  The LCM is   the total electrons transferred.  Therefore, it represents the total  positive charge created by the metallic ions and the total negative charge created by the nonmetallic ions.  This may  be proved by drawing the dot structure of the compound showing all electrons transferred. The LCM of +2 and -3 is 6,   therefore 6 e-1 are transferred creating a total positive charge of +6, and the total negative charge of -6   --> 6e-1-->Ca+2            N-3

 (d   (d) Divide the LCM by the positive charge, this dividend will represent the subscript behind the metallic ion in the formula.+6 divided by +2 = 3; therefore half of the formula is:    Ca3Nx  (e)  Divide the LCM by the negative charge, this dividend will represent the number of nonmetallic ions in the formula.-6 divided by -3 = 2; therefore the other half of the formula is:   Ca3N2          

Example:           Potassium phosphide Write Symbols and the Charges:

                   K+1 P -3

 LCM:    3        Balance the chemical formula: K3P       

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F. Binary Ionic Names:

http://www.fscj.me/Nomenclature/BinarySalts/25BinaryIonicJT.html

F. Binary Ionic Formulas:

http://www.northcampus.net/Nomenclature/BinaryIonicFormula/25BinaryIonicFormula.html

Chapter 3: Part F Binary Ionic Compounds Section 3.5

Using a periodic chart, write the names or the balanced formulas for the following compounds depending on whether the formula or the name is given:

1. Copper II phosphide _________ (Cupric phosphide)

2. Iron III Oxide (rust) _________ (Ferric Oxide)

3. Lead IV sulfide _________ (Plumbic sulfide)

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4. Sodium chloride _________

5. Tin II fluoride (in toothpaste) _________ (Stannous Fluoride)

6. MgCl2 ________________________

7. NiF2 ________________________

8. K3N ________________________

9. Al2O3 ________________________

10. CuBr ________________________

Chapter 3: Part E1 Polyatomic Ions Section 3.5

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From Chapter 6 Corwin (7th) (Chapter 5 Hill), Chapter 6 Hein (14th)Monoatomic Anions or Cations can be predicted the position the element resides on the periodic chart, if the ion come from a Representative Element (IA-VIIIA) or by its name if it is a transitional metal with several different charges. Below is Corwin (7 th) Figure 6.3 demonstrating common cations and anions:

Periodic Table of Selected Ions

Note the charges for groups IA, IIA, IIIA, VA, VIA, VIIIA. From book to book, the charges on the transitional metals will vary

Almost all chemistry textbooks have sections dedicated to polyatomic ions and include a list of common ions.

What is a polyatomic ion?

A group of atoms bound together (covalent bonds) that bears an overall negative or positive charge.

Corwin (7th) suggests that you use flash cards listing the name on one side and the formula with its charge on the other to aide your memorization of these formulas. Most chemistry teachers require you to know some of the common polyatomic ions by the end of the course whether it is from repetition of use with a help table or from memory from the first day of introduction. Below are tables from various chemistry books used:

Polyatomic Ion Charts from TextbooksMcMurray: Table 3.2 Corwin: Table 7.03Silverberg: Table 2.5 Tillery: Table 9.3Kotz: Table 3.1 Hill: Table 5.04

Here is a sample polyatomic ion table:

Hill’s Table 5.4 (and Hill suggest for you to memorize the entire table):

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After you start memorizing, during the course the formulas may be swimming in you head and the charges too. To write balance Ternary Ionic Compounds, you must be able to write the formula and the charge of each polyatomic ion required.

Corwin suggests there is only one (Hill has two) common polyatomic Cation(s) and both end in –ium suffix. He notes most of the Anions have an –ate suffix, while a few have –ite, and two have –ide in their name. How do we accomplish this list?

Knowing dot structures of polyatomic ions (Corwin Chapter 12 section 12.5), and some keen observations you can boil it down to six questions:

1. What is the formula for the –ate polyatomic ion?2. What is the charge on –ate polyatomic ion?3. What happens when you attach hydrogen atom(s) to the polyatomic 2- and 3- anions?

4. What does –ite mean?

5. How do the hypo- and per- prefixes apply to polyatomic ions?6. What are the two –ide polyatomic ions and two -ium positive Anions?

So: it is time for you to discover, what I saw over 50 years ago. It is not in any textbook. The books just say know or memorize these tables. Go to:

http://www.fccj.us/PolyatomicIons/polyionformula.html

When you go to the site above (which looks like the image below), click on the X for each polyatomic ion and note if the # of oxygens is three or four in the formula.

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To expose the threes and the fours in the lower left hand corner (Taylor’s ¾ rule) click the numbers 0,1…8,9 Border three rule, then 1,2..5,6 in the box of six rule. Also do the 0,1…7,8 Transitional O4 Rule.

Taylor’s ¾ rule is summarized at:

http://www.fccj.us/PolyatomicIons/Taylor34OxygenRuleHandout.htm

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Then do the same for the box just to the right of Taylor’s ¾ Rule, and discover Taylor’s Charge Rule.

Taylor’s Charge Rule is summarized at:

http://www.fccj.us/PolyatomicIons/TaylorChargeRuleHandout.htm

The story behind how your instructor related the periodic table to a long list of polyions, read the abstract for his talk at 2YC3:

http://www.fccj.us/PolyatomicIons/2YC3HowTeachPolyatomiIonsInChemistry.htm

http://www.fscj.me/PolyatomicIons/25MemorizeList.htm E: Polyatomic Ion Names Homework: http://www.northcampus.net/Nomenclature/PolyatomicIon/25PolyatomicIon.html

E1. Polyatomic Ion Formulas: http://www.northcampus.net/Nomenclature/PolyatomicIonFormula/25PolyatomicIonFormula.html

In chemistry, a ternary compound is a compound containing three different elements. An example of this is sodium phosphate, Na3PO4. The sodium ion has a charge of 1+ and the phosphate ion has a charge of 3-. Therefore, three sodium ions are needed to balance the charge of one phosphate ion. Another example of a

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ternary compound is calcium carbonate . In naming and writing the formulae for ternary compounds, we follow rules that are similar to binary compounds.(CaCO3).

Site that uses least common multiple balance method:

http://web.tenafly.k12.nj.us/chemquest2/ternary_compounds.htm

Sites (You-tubes) that use the crossing method(UGH):

You-Tube: http://www.youtube.com/watch?v=8eJtYffLWKc

Another You-Tube: http://www.youtube.com/watch?v=cXyxrzUw99A

Chapter 3: Part E2 Ternary Ionic Compounds Section 3.5 Using a periodic chart write the names or formulas of the following compounds depending on whether the formula or name is given:

1. Na2CO3 _____________________

2. K2SO4 _____________________

3. (NH4)3PO4 _____________________

4. Ca(ClO3)2 _____________________

5. CuNO3 _____________________

6. Aluminum Hydroxide ____________

7. Ammonium carbonate ____________

8. Sodium Hypochlorite ____________

9. Magnesium Nitrate ____________

10. Iron III sulfite _____________

F: Ternary Ionic Compound Names Homework: http://www.northcampus.net/Nomenclature/TernarySalts/25ternaryIonic.html

F1. Ternary Ionic Compound Formulas: http://www.northcampus.net/Nomenclature/TernarySaltFormula/25ternaryionicformula.html

Chapter 3 Part E3 Binary/Ternary Acids (See Study Guide below)

What is an acid?

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A substance that releases hydrogen ions (H+) when dissolved in water. Inorganic formulas of acids have ionizable hydrogen(s) written first in the formula.

Strong Acids Weak AcidsStrong acids ionize 100% in a water solution, while Weak Acids ionize

less than 5% in a water solution.

There are Binary/Ternary Acid online homeworks for your practice for M-4 Part G:G: Binary/Ternary Acid Names:http://www.northcampus.net/Nomenclature/Acids/25Acids.html

G1: Binary/Ternary Acid Names:http://www.northcampus.net/Nomenclature/AcidFormulas/25AcidFormulas.html ( Chapter 6 Bishop Sections 6.3-6.4 )give you instructions for naming and writing formulas of acids. ); (Chapter 6 Corwin 7th covers binary acids in section 6.8; while section 6.9 covers ternary acids.) (Hein 14th covers acids in section 6.6

A brief tutorial for names and formulas of acids follows:

If hydrogen is written first in a chemical formula, there is two ways to name the compound. As a pure molecular compound or as an aqueous acid: If the compound is a pure molecular compound then you name it just as if it were an ionic compound:HCl          hydrogen chlorideHClO        hydrogen hypochloriteHClO2      hydrogen chloriteHClO3      hydrogen chlorateHClO4      hydrogen perchlorateH3PO4     hydrogen phosphateH2CO3     hydrogen carbonateH2SO4     hydrogen sulfateH2SO3      hydrogen sulfiteHC2H3O2   hydrogen acetate H2C2O4 hydrogen oxalateHBr hydrogen bromideHF hydrogen fluoride Writing hydrogen first in a chemical formula indicates that when you dissolve the compound in water, a water molecule has the ability to pull the hydrogen off (from strong electronegative elements like oxygen)  the molecule HXO3 and creating hydronium ions, H3O1+ and  a negative ion XO3

1- (cation).

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The way you indicate this ionic solution is to write the formula followed by (aq) meaning a water solution:  HXO3 (aq) .The first step is to drop the first word hydrogen and add a second word acid: 

HCl          hydrogen chloride acid (aq)HClO        hydrogen hypochlorite acid (aq)HClO2      hydrogen chlorite acid (aq)HClO3      hydrogen chlorate acid (aq)HClO4      hydrogen perchlorate acid (aq)H3PO4     hydrogen phosphate acid (aq)H2CO3     hydrogen carbonate acid (aq)H2SO4     hydrogen sulfate acid (aq)H2SO3     hydrogen sulfite acid (aq)HC2H3O2   hydrogen acetate acid (aq)H2C2O4 hydrogen oxalate acid (aq)HBr hydrogen bromide acid (aq)HF hydrogen fluoride acid (aq)

The next step is to drop the suffix from the cation and make the following substitution with another suffix:Change the -ate to -icChange the -ite to -ousbut the instead of coming up with a third suffix for -ide , they reused the -ic for -ide and added a prefix hydro- (Do not get this confused with the prefix hypo- which means 'under'.)HCl          hydrochloric  acid (aq)HClO        hypochlorous acid (aq)HClO2      chlorous acid (aq)HClO3      chloric  acid (aq)HClO4      perchloric  acid (aq)H3PO4     phosphoric  acid  (aq) (Put the -or- syllable back in the name)H2CO3     carbonic  acid (aq)H2SO4     sulfuric  acid  (aq) (Put the -ur- syllable back in the name)H2SO3     sulfurous acid (aq) (Put the -ur- syllable back in the name)HC2H3O2   acetic  acid (aq)  (Notice the three hydrogens written after carbon are NOT ionizable and not written first in the formula)H2C2O4 oxalic acid (aq)HBr hydrobromic acid (aq)HF hydrofluoric acid (aq)On Corwin 7th page 185 Questions 49-56 will give you more practice on writing names and formulas of acids.

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At the end of chapter 6 Hein 14th exercises 17, 18, 19, and 20 pages 116-117 are additional acid nomenclature problems.

Chapter 3 Part E3 Binary/Ternary Acids Using a periodic chart write the names or formulas of the following compounds depending on whether the formula or name is given:

1. HCl _____________________

2. H2SO4 ____________________

3. HNO3 _____________________

4. HNO2 ___________________

5. H2CO3 ___________________ 6. Hypochlorous acid _________

7. Phosphoric acid _________

8. Sulfurous acid _________

9. Perchloric acid _________

10. Hydrofluoric acid ________

E3: Binary/Ternary Acid Names Homework: http://www.northcampus.net/Nomenclature/Acids/25Acids.html

E3.1. Binary/Ternary Acid Formulas: http://www.northcampus.net/Nomenclature/AcidFormulas/25AcidFormulas.html

Submit grades on separate grading Sheet when taking M-4 Exam

Online Study Guide:http://www.fccj.us/chm1025/AssignmentOutline/M4PartG.htm

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Chapter 3: Part E4 Inorganic Compounds

The key to deciding which system to use in Part H is to look at the element written first.

 1. If a Metal is written first (or a polyatomic ion), then use the rules for ionic compounds (salts).2. If a nonmetal is written first, then use the Covalent/Molecule System with prefixes. (If the compound is Organic Nomenclature of Organics is covered in Chapter 11, but for now use the prefix system of binary molecular nomenclature.3. If hydrogen is written first (and it is in aqueous solution) then name it as an Acid

Chapter 3: Part G Matter Chart Sample Test Section 3.7Draw below a matter chart similar to the chart in section 3.2 page 68 of the Corwin Introductory Chemistry text,, Figure 3.28 page 78 Suchocki text, or it may be of your own design as long as it clearly denotes lines which describe which words are subunits of the more general word. The chart should include the following: homogeneous mixtures, heterogeneous mixtures, Matter, Pure Substances, Mixtures, Compounds, Elements, Solutions, Atoms, Molecules/Formula Units, and Colloids/Suspensions. Also draw/label the arrows: Separate Physically and Separate Chemically: Fill in Below

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Matter Chart Homework Critical Thinking:

Chapter 3: Part G1 Matter Chart-Critical Thinking Application

1..Where would you place: colloids in the matter chart?

2. If you subdivided Inorganic Compounds and Organic Compounds under compounds., sketch below where would you put: Salts, Acids, Bases, Covalent Compounds?

3. Sketch below and show under which subdivision would you put:

Electrons, Protons, and Neutrons

4. . Sketch below and show under which subdivision would you put:

electrons, protons, neutrons, nucleus, orbitals

Fill in Below:

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Chapter 3 Part P Periodic Properties Section 3.3

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Chapter 3 Part P: Periodic Chart Identification

Selected symbols have been placed into the following blank periodic table of elements:

Which symbol in the above periodic table fits the following description?_____1. an alkali metal

_____2. A halogen

_____3. an alkaline earth element

_____4. a noble gas

_____5. A representative element in the fifth period

_____6. a semimetal

_____7. An element in the lanthanide series

_____8. an element with the atomic number 13

_____9. an element filling a 5d sublevel

_____10. an element with six valence electrons

_____11. an element corresponding to: 1s2 2s2 2p6 3s2 3p6 4s2 3d7

_____12. an element with four valence electrons

_____13. an element in the actinide series

_____14. the main isotope of this element has zero neutrons in the nucleus

_____15. a representative element in the first period of the periodic table

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Main Group Elements are also called Representative Elements

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Periodic table's seventh row finally filled as four new elements are added Discovery of four super-heavy chemical elements by scientists in Russia, America and Japan has been verified by experts and formally added to tableFour new elements have been added to the periodic table, finally completing the table’s seventh row and rendering science textbooks around the world instantly out of date. The elements, discovered by scientists in Japan, Russia and America, are the first to be added to the table since 2011, when elements 114 and 116 were added.The four were verified on 30 December by the US-based International Union of Pure and Applied Chemistry, the global organization that governs chemical nomenclature, terminology and measurement.IUPAC announced that a Russian-American team of scientists at the Joint Institute for Nuclear Research in Dubna and Lawrence Livermore National Laboratory in California had produced sufficient evidence to claim the discovery of elements 115, 117 and 118.

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Period drama: the story of the periodic table The body awarded credit for the discovery of element 113, which had also been claimed by the Russians and Americans, to a team of scientists from the Riken institute in Japan.Kosuke Morita, who was leading the research at Riken, said his team now planned to “look to the unchartered territory of element 119 and beyond.”Ryoji Noyori, former Riken president and Nobel laureate in chemistry said: “To scientists, this is of greater value than an Olympic gold medal”.The elements, which currently bear placeholder names, will be officially named by the teams that discovered them in the coming months. Element 113 will be the first element to be named in Asia. “The chemistry community is eager to see its most cherished table finally being completed down to the seventh row,” said Professor Jan Reedijk, president of the Inorganic Chemistry Division of IUPAC. “IUPAC has now initiated the process of formalising names and symbols for these elements temporarily named as ununtrium, (Uut or element 113), ununpentium (Uup, element 115), ununseptium (Uus, element 117), and ununoctium (Uuo, element 118).”

Since the 19th century, European and American discoveries have monopolized the naming of elements on the periodic table. It is evident in entries like francium, germanium, scandium, polonium, europium, californium, berkelium and americium.But now, for the first time, researchers in Asia will make an addition to chemistry’s most fundamental catalog.Scientists from the Riken institute in Japan will bestow an official name on Element 113, currently known by the placeholder name ununtrium, the International Union of Pure and Applied Chemistry announced last week.The organization said that studies published by the Japanese scientists from 2004 to 2012 give the team the strongest claim to having discovered the element. The declaration comes more than 12 years after the Japanese team first attempted to synthesize the superheavy element, by firing beams of zinc at a thin bismuth film.Led by Kosuke Morita, the group began to bombard bismuth atoms in a particle accelerator at 10 percent the speed of light in 2003. A year later, they successfully fused two atomic nuclei from these elements, creating their first nucleus of Element 113, but it decayed in less than a thousandth of a second. In 2005, the team produced Element 113 in a second event, but the chemistry union did not consider the demonstration strong enough to denote a discovery.What Would You Name a New Element? Imagine that you could name a new element on the periodic table. Send your ideas to [email protected] with a 50-100 word explanation. Before your imagination gets away, consider these published guidelines for new elements (For linguistic consistency, the names of all new elements should end in “-ium”). In keeping with tradition, elements are named after:

A mythological concept or character (including an astronomical object); A mineral, or similar substance; A place or geographical region; A property of the element; or A scientist.

“For over seven years, we continued to search for data conclusively identifying Element 113, but we just never saw another event,” Dr. Morita said in a statement. “I was not prepared to give up, however, as I believed that one day, if we persevered, luck would fall upon us again.”In 2012, the team finally produced strong evidence that they had synthesized Element 113. Over the course of those nine years, the beam was active for 553 days and launched more than 130 quintillion zinc atoms, according to Nature.

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The chemistry union, along with the International Union of Pure and Applied Physics, granted the Riken researchers naming rights to Element 113 over a joint Russia-United States team that had also claimed to discover the element.The chemistry union’s decisions are detailed in two reports to appear in the journal Pure and Applied Chemistry. In addition to Element 113, Elements 115, 117 and 118 will also receive official names. Teams from Russia and the United States discovered those elements.With their discovery, the bottom row of the periodic table will be complete. Elements are numbered by the protons they have in their nucleus, and Elements 114 (flerovium) and 116 (livermorium) had previously been confirmed and named.Dr. Morita has not yet announced what he intends to name Element 113, but according to a 2004 article in The Japan Times when the team first published its results, one likely contender may be “japonium.”

Pathway 4: Chapter 3 Vocabulary

Summary of Terms: Reference Chapter 3 Pages 84-85

Fill in the Blanks with the word or words that best fit the description:

1.____________________ An abbreviation for an element or atom.

2. ___________________________ The force of attraction between two atoms that holds them together.

3. ____________________ The formation of new substance(s) by rearranging the atoms of the

original material(s).

4. ____________________ A notation that indicates the composition of a compound, consisting of the atomic

symbols for the different elements of the compound and numerical subscripts indicating the ratio in which the

atoms combine.

5. ____________________ A type of property that characterizes the ability of a substance to

change into a different substance under specific conditions.

6. ____________________ A term synonymous with chemical change.

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7._____________________ A material in which atoms of different elements are

bonded to one another.

8. ____________________ A material consisting of only one type of atom.

9. ____________________ A notation that uses the atomic symbol and (sometimes) a numerical

subscript to denote how many atoms are bonded in one unit of an element.

10. ____________________ A vertical column in the periodic table, also known as a family

of elements.

11. ____________________ A mixture in which the different components can be seen

as individual substances.

12. ____________________ A mixture in which the components are so finely mixed that anyone

region of the mixture has the same ratio of substances as any other

region.

13. ____________________ The state of a material that is a mixture of more than one element

or compound.

14. ____________________ An element that is shiny, opaque, and able to conduct electricity and heat.

15. ____________________ An element that exhibits some properties of metals and some properties of

nonmetals. Six elements recognized as metalloids include boron, B; silicon, Si; germanium, Ge; arsenic, As;

antimony, Sb; and tellurium, Te.

16. ____________________ A combination of two or more substances in which each substance

retains its properties.

17. ____________________ An element located toward the upper right of the periodic table, with the exception

of hydrogen, that is neither a metal nor a metalloid.

18. ____________________ A horizontal row in the periodic table.

19. ____________________ A chart in which all known elements are organized by physical and

chemical properties.

20. ____________________ The gradual change of any property in the elements across a period

of the periodic table.

21. ____________________ A change in which a substance changes its physical properties

without changing its chemical identity.

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22. ____________________ Any physical attribute of a substance, such as color, density, or

hardness.

23. ____________________ The state of a material that consists solely of a single element or

compound.

24. ____________________ _______ A tool of nanotechnology that detects and characterizes the surface atoms

of materials by way of an ultrathin probe tip, which is detected by laser light as it is mechanically

dragged over the surface.

25. ____________________ _ A homogeneous mixture in which all components are

dissolved in the same phase.

26. ____________________ _______ A homogeneous mixture in which the various components are finely

mixed, but not dissolved.