AP Polyatomic Ions Flashcard

Front

What happens to a polyatomic ion with 'hydrogen' or 'bi-' in its name?

Back

It has gained a hydrogen ion (H⁺) and the size of the charge has decreased by one.

Front

What is the formula for the nitrate ion?

Back

NO₃⁻

Front

What is the formula for the hydroxide ion?

Back

OH⁻

Front

What is the formula for the acetate ion?

Back

CH₃COO⁻

Front

How many more oxygens does periodate have compared to hypoiodite?

Back

Periodate has 3 more oxygens than hypoiodite.

Front

What is a polyatomic ion?

Back

A polyatomic ion is a charged ion composed of two or more atoms bonded together.

Front

What is the charge of the sulfate ion?

Back

SO₄²⁻

Front

What is the formula for the carbonate ion?

Back

CO₃²⁻

Front

What is the difference between the sulfate and sulfite ions?

Back

Sulfate has one more oxygen than sulfite.

Front

What is the formula for the phosphate ion?

Back

PO₄³⁻