10/14 review: how is the periodic table organized?

Launch   Grab your binder and immediately take a seat

  Take out last night’s homework (Mind Map)

1.  Using arrows, draw the trend for electronegativity.

2.  Which of the following correctly lists the elements in order from least electronegative to most?

a.  O < P < Al < Na b.  Na < Al < P < O

c.  P < O < Na < Al d.  Al < P < O < Na

Weekly Schedule   Monday: Atomic Radius

  Tuesday: Electronegativity & Ionization Energy

  Wednesday: Metals, nonmetals, special groups

  Thursday: Atomic structure & nuclear processes

  Friday: Mid-Term Exam   Only excused absences, otherwise 0!

We don’t have much time!

If you don’t understand something, ask!

How is the periodic table organized?

Mr. Heffner 10/14/09

What are the 3 main categories?

Metals

High conductivity and melting point

Low conductivity and melting point

Examples 1.  Label the following as either metal, semimetal, or

nonmetal. i.  sodium (Na)

Metals

Examples 1.  Label the following as either metal, semimetal, or

nonmetal. ii.  fluorine (F)

What are the 5 sub-categories? A

lkal

i Met

als

Alk

alin

e E

arth

Met

als

Transition Metals Hal

ogen

s N

oble

Gas

es

Elements in same “family” have similar properties!

Group #

Examples 2.  Label the following as either alkali metal, alkaline

earth metal, transition metal, halogen, or noble gas. i.  sodium (Na)

Alk

ali M

etal

s

Examples 2.  Label the following as either alkali metal, alkaline

earth metal, transition metal, halogen, or noble gas. ii.  fluorine (F)

Hal

ogen

s

Examples 3.  Name two elements that would have similar

properties to: i.  magnesium (Mg)

Examples 3.  Name two elements that would have similar

properties to: ii.  helium (He)

Group Review

Practice Questions   Review Worksheet #3

Exit Slip 1.  Magnesium (Mg) is a

a.  nonmetal b.  halogen

c.  semimetal d.  metal

Exit Slip 2.  Sulfur is classified as a ________, meaning it has

a(n) ________ conductivity. a.  semimetal; intermediate b.  semimetal; greater c.  nonmetal; lesser

d.  metal; greater

Exit Slip 3.  The region highlighted below represents the

a.  noble gases. b.  halogens.

c.  alkali metals. d.  semimetals.

Exit Slip 4.  Chlorine (Cl) is an example of a(n)

a.  alkali metal and has 2 valence electrons. b.  alkali metal and has 1 valence electron.

c.  halogen and has 7 valence electrons. d.  noble gas and has 8 valence electrons.

5.  Which of the following has similar chemical properties to those of Calcium (Ca)?

a.  gold (Au) b.  sodium (Na)

c.  aluminum (Al) d.  magnesium (Mg)

Homework   Finish Review Worksheet #3

  Pg150 #1, 3, 7 in complete sentences!

  Memorize all the categories/families