Naming Polyatomic Ions

Front

What is a polyatomic ion?

Back

A polyatomic ion is a charged species (ion) composed of two or more atoms covalently bonded, which can be considered as a single unit.

Front

What is the charge of the cyanide ion (CN^1-)?

Back

The cyanide ion has a charge of -1.

Front

What is the formula for the sulfate ion?

Back

The formula for the sulfate ion is SO₄^2-.

Front

What is the name of the ion with the formula C₂H₃O₂^1-?

Back

The ion with the formula C₂H₃O₂^1- is called acetate.

Front

What is the formula for the nitrate ion?

Back

The formula for the nitrate ion is NO₃^1-.

Front

What is the charge of the sulfate ion (SO₄^2-)?

Back

The sulfate ion has a charge of -2.

Front

What is the name of the ion with the formula CO₃^2-?

Back

The ion with the formula CO₃^2- is called carbonate.

Front

What is the difference between nitrate (NO₃^1-) and nitrite (NO₂^1-)?

Back

Nitrate has one more oxygen atom than nitrite; nitrate has three oxygen atoms while nitrite has two.

Front

What is the formula for the hydroxide ion?

Back

The formula for the hydroxide ion is OH^1-.

Front

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

Back

The ion with the formula PO₄^3- is called phosphate.