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BondingPolarity

&Geometry

Writing and Balancing Equations

Moles PercentComposition

&Empirical &

Molecular formulas

Miscellaneous

Which electrons are used in forming chemical bonds?

A 100

Valence electrons

A 100

What are the electronegativity ranges for nonpolar, polar, and

ionic compounds?

A 200

0 – 0.3 Nonpolar

0.3 – 1.7 Polar

> 1.7 Ionic

A 200

Define the 3 types of bonds. Include an example of each one.

A 300

Ionic- transfer of electrons

Covalent- Sharing of electrons

Metallic- Sea of mobile electrons

A 300

What type of atoms form ionic

compounds?

A 400

Metal + Nonmetal

(or metal + poly)

A 400

If 5g of A reacts with 3g of B in the reaction

A+BC+D, how muchC would be produced if 3g of

D is formed accordingto the Law of Conservation

of Mass?

A 500

5g

A 500

CO2

B 100

Linear and Nonpolar

B 100

H2S

B 200

Bent and polar

B 200

BH3

B 300

Trigonal planar and nonpolar

B 300

CO

B 400

Linear and Nonpolar

B 400

CH4

B 500

Tetrahedral and nonpolar

B 500

List the 4 phase labels

(abbreviation and what it represents)

C 100

s-solid

l-liquid

aq- aqueous

g-gas

C 100

The balanced equation for the synthesis of water

C 200

2H2 + O2 2H2O

C 200

The balanced reaction when zinc is added to hydrochloric acid

C 300

Zn + 2HCl ZnCl2 + H2

C 300

DAILY DOUBLE

C 400

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The balanced reaction when phosphoric acid reacts with

sodium hydroxide.

C 400

H3PO4 + 3NaOH 3HOH + Na3PO4

C 400

The balanced reaction when water is added to gold

C 500

NO3 ReAcT1(ON)

C 500

How many molecules are in 3 moles of potassium chloride?

D 100

1.81X1024 molecules

D 100

How many moles are in 30.0g of sodium chloride?

D 200

0.513 moles

D 200

Convert 16 moles of KCl to grams

D 300

1192 grams

D 300

Calculate the molar mass of sodium chloride.

D 400

58.5g

D 400

You heat 10g of a hydrate and after heating 9g remains.

What is the %H2O?

D 500

10%

D 500

What percentage of chlorine is in sodium chloride?

E 100

60.7%

E 100

What is the empirical formula for a compound that is 43.6%P and

56.4%O?

E 200

P2O5

E 200

What is the empirical formula for a compound that is 53.3% oxygen and 46.7% silicon?

E 300

SiO2

E 300

What is the molecular formula if the empirical formula is NO2 and

the formula mass is 92amu?

E 400

N2O4

E 400

What is the empirical formula of H2O2?

E 500

HO

E 500

Which law enables us to balance chemical reactions?

F 100

Law of Conservation of Mass

F 100

The coefficients in the balanced equation for the

combustion of hexane

F 200

2, 19, 12, 14

F 200

Solid substance formed from the reaction between two

aqueous solutions

F 300

precipitate

F 300

4 signs of a chemical reaction

F 400

Color changePrecipitate

Gas formationEvolution of heat and/or light

F 400

The balanced reaction in the decomposition of sodium phosphide in a balanced

reaction

F 500

Na3P 3Na + P

F 500

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