Chemical Names and Formulas

What is the name of the compound H₂O?

• Water (or dihydrogen monoxide)

• Hydrogen peroxide

• Sodium chloride

• Carbon dioxide

What is the name of the compound CO₂?

• Carbon monoxide

• Carbon dioxide

• Carbon trioxide

• Dicarbon oxide

What is the name of the compound CCl₄?

• Carbon tetrachloride

• Chlorine dioxide

• Carbon dichloride

• Tetrachloroethylene

What is the name of the compound NaCl?

• Sodium chloride

• Potassium chloride

• Calcium chloride

• Magnesium chloride

What is the name of the compound FeCl₂?

• iron (II) chloride

• iron (III) chloride

• ferrous chloride

• ferric chloride

What is the name of the compound KBr?

• Potassium bromide

• Sodium chloride

• Calcium sulfate

• Magnesium oxide

What is the correct name of the compound Mg(NO₃)₂?

• Magnesium nitrate

• Magnesium nitrite

• Magnesium nitrate(III)

• Magnesium dinitrate

What is the correct name of the compound NO₂?

• Nitrogen dioxide

• Nitric oxide

• Nitrogen trioxide

• Nitrogen tetroxide

What is a characteristic of covalent compounds?

• They share electrons.

• They transfer electrons.

• They are always solid at room temperature.

• They have high melting points.

What is the significance of the Roman numeral in iron(II) chloride?

• It indicates the oxidation state of the iron ion, which is +2.

• It represents the number of chloride ions in the compound.

• It shows the molecular weight of the compound.

• It indicates the color of the compound.