chemistry homework2

Demetrius Loutrez Vines

Homework Set #2

1) These gases are found in the atmosphere in small amounts: CH4, SO2, and O3.

a. What information does each chemical formula convey about the number and types of atoms present?

b. Give the names of these gases.

2) Give the chemical formula and name of the ionic compound that can be formed from each pair of elements.

a. Cd and S

b. Ba and Cl

c. Rb and I

3) Write the chemical formula for each compound.

a. magnesium chloride

b. magnesium sulfate

4) Name each compound.

a. LiOH

b. CoO

c. ZnS

d. Na2SO4

e. MnCl2

f. K2O

5) Explain why CoCl2 is named cobalt (II) chloride, whereas CaCl2 is named calcium chloride.