Ions and Chemical Formula we need to know!!

The ammonium ion is....

• NH₃

• NH₄

• NH₄⁺

• NH⁺

Fe²⁺ is....

• Iron(II)

• Iron (III)

• Fluoride

• F^-

Fe₂(SO₄)₃ contains which ions?

• Fe³⁺

• Fe²⁺

• SO₄^2-

• SO₄^3-

What is the correct formula for ammonia?

• NH₃

• NH

• NO₃

• NH₄

H₂O is....

• Water

• Hydrogen dioxide

• Hydrogen peroxide

Oxygen is a diatomic molecule. It's formula is....

• O

• O^2-

• O₂

• O₃

Hydrogen chloride gas and Hydrochloric acid have similar formula. Which is correct for Hydrochloric acid?

• HCl_(aq)

• HCl_(g)

• HCl_(l)

• HCL_(aq)

H₂SO₄ is what chemical?

• Sulphuric acid

• Hydrogen sulphide

• Hydrogen sulphate

• Sulphur dioxide

The acid that would be used to make nitrate salts has what formula?

• HNO₃

• HNO

• HN

• N

The formula of the chemical that forms a white precipitate with limewater is?

• CO₂

• CO

• Carbon dioxide

• O₂