Oxyanions Quiz

What is an oxyanion?

• A positively charged ion

• A negatively charged ion containing oxygen

• A neutral molecule

How is the -ate rule applied in naming oxyanions?

• It indicates the charge of the ion

• It specifies the number of oxygen atoms in the ion

• It indicates the presence of a metal in the ion

What is the name of the ion with the formula NO3^-?

• Nitrite

• Nitrate

• Nitride

How is the prefix "per-" used in oxyanion nomenclature?

• It indicates a higher oxidation state

• It indicates a lower oxidation state

• It indicates a neutral charge

Give the formula for the chlorite ion.

• ClO4^-

• ClO3^-

• ClO2^-

What is the oxidation state of the central atom in an oxyanion with the suffix "-ite"?

• Highest

• Lowest

• Middle

What happens to the name of an oxyanion when you add oxygen atoms?

• The name remains the same

• The name changes to include the prefix "per-"

• The name changes to include the suffix "-ite"

What is the name of the ion with the formula PO4^3-?

• Phosphate

• Phosphite

• Peroxide

Give the formula for the carbonate ion.

• CO3^2-

• CO4^2-

• CO2^2-

What happens to the charge of an oxyanion when you add oxygen atoms?

• The charge increases

• The charge decreases

• The charge remains the same