Level 1 Acids and Bases - play with resource sheet

How many ions on the resource sheet have a 3+ charge?

• 0

• 1

• 2

• 3

Which metal can have a charge of 2+ OR 3+

• iron

• magnesium

• aluminium

• none

What would be the correct formula for sodium sulfate?

• Na₂S

• Na₂SO₄

• Na²SO₃

• Na₂(SO₄)₂

What would be the correct formula for sodium chloride? READ CAREFULLY.

• SCl₂

• NaCL

• NaCl

• SCl

Which ion is the sulfide ion?

• S

• S^2-

• SO₄^2-

• Ag⁺

Which ion is the sulfate ion?

• S

• S^2-

• SO₄^2-

• Ag⁺

Which formula is correct when Fe³⁺ and OH^- ions combine?

• Fe(OH₃)

• FeOH

• Fe(OH)₃

• FeOH³

Which formula is correct when Ca²⁺ and OH^- ions combine to make calcium hydroxide?

• Ca₂(OH)

• CaOH

• CaOH₂

• Ca(OH)₂

Name this chemical compound: NH₄Cl

• ammonia chlorine

• ammonium chlorine

• ammonium chloride

• chlorine nitrate

What is the ratio of Al : O ions in Al₂O₃

• 2 Al³⁺ : 3 O^2-

• 2 Al³⁺ : 2 O^2-

• 3 Al³⁺ : 3 O^2-

• 1 Al³⁺ : 3 O^2-