Polyatomic Ions - Pre-AP Chemistry

Front

What is the formula for hydrogen carbonate?

Back

HCO₃⁻¹

Front

What is the formula for sulfite?

Back

SO₃²⁻

Front

What is the formula for sulfate?

Back

SO₄²⁻

Front

What is the formula for hydrogen phosphate?

Back

HPO₄²⁻

Front

What is the formula for thiocyanate?

Back

SCN⁻¹

Front

Define polyatomic ion.

Back

A polyatomic ion is a charged species composed of two or more atoms covalently bonded, that can act as a single unit in chemical reactions.

Front

What is the charge of the sulfate ion?

Back

-2

Front

What is the charge of the hydrogen phosphate ion?

Back

-2

Front

What is the difference between sulfite and sulfate?

Back

Sulfite (SO₃²⁻) has one less oxygen atom than sulfate (SO₄²⁻).

Front

Provide an example of a polyatomic ion that contains nitrogen.

Back

Nitrate (NO₃⁻) is an example of a polyatomic ion that contains nitrogen.