Polyatomic Ions Review

HPO₄^2-

• phosphate

• phosphite

• hydrogen phosphate

• hydrogen phosphite

ClO₃^-

• perchlorate

• chlorate

• chlorite

• hypochlorite

PO₃^3-

• phosphate

• phosphite

BrO₄^-

• perbromate

• bromate

• bromite

• hypobromite

IO₄^-

• periodate

• iodate

• iodite

• hypoiodite

hydrogen sulfate

• SO₄^2-

• HSO₄^2-

• HSO₄^-

• H₂SO₄^-

Which of the following is nitrate?

• NO^-

• NO₂^-

• NO₃^-

• NO₄^-

What is the difference between ions that have the same ROOT, but one ends in -ate and the other in -ite?

• The ion ending in -ate has 1 more oxygen than -ite.

• The ion ending in -ate has 1 less oxygen that -ite.

• The ion ending in -ate has 1 more electron than -ite.

• The ion ending in -ate has 1 less electron than -ite.

What is the correct formula for the polyatomic ion called hydrogen carbonate?

• HCO₃^–

• CO₃^2–

• CrO₄^2–

• CN^–

An example of a polyatomic ion is:

• O^2-

• Na⁺

• CO₃^2-

• Ag⁺