Molecule Naming Nonsense

Covalent Formulas

100

Silicon Dioxide

SiO₂

200

Dinitrogen Monoxide

N₂O

300

Ammonia

NH₃

400

Trisilicon Tetranitride

Si₃N₄

500

Dichloride Heptoxide

Cl₂O₇

Ionic Formulas

100

Calcium Carbonate

CaCO₃

200

Zinc Oxide

ZnO

300

Barium Hydroxide

Ba(OH)₂

400

Aluminum Sulfate

Al₂(SO₄)₃

500

Copper(II) Sulfate

CuSO₄

Acid Formulas

100

HCl

Hydrochloric Acid

200

Carbonic Acid

H₂CO₃

300

HBr

Hydrobromic acid

400

H₂SO₄

Sulfuric Acid

500

HClO₄

Perchloric Acid

Naming

100

FeCl₂

Ferrous Chloride or Iron(II) Chloride

200

CS₂

Carbon Disulfide

300

As₂S₃

Arsenic Trisulfide or Arsenic(III) Sulfide

400

(NH₄)₂SO₄

Ammonium Sulfate

500

N₂O₄

Dinitrogen Tetraoxide

% Composition+Random

100

1. The molar mass of any compound is described in unit of

a. grams                   b. amu                           c. moles                           d. grams per mole

g/mol

200

What is the formula mass of PbCl₂

278.1 amu

300

1. An unknown metal, X, combines with nitrogen to form the compound XN. Metal X also combines with oxygen to produce the compound X2O3.  Metal X is most likely which of the following element.

a. Li                                b. Mg                           c. Al                          d. Sn

Al

400

What is the percent composition of C₆H₁₂O₆

C = 40% H = 7% O = 53%

500

1. A compound is made of carbon, oxygen and sodium. It contains 11.32 % of carbon and 45.28 % of oxygen. What is the empirical formula of this compound?

Na₂CO₃