Grade 9 test 2019: Naming compounds and writing formulae

Name the ionic compound, CaCO₃

• calcium carbide

• calcium carbon trioxide

• calcium carbon oxide

• calcium carbonate

H₂SO₄ - name?

• hydrogen sulfide
• hydrosulfuric acid
• hydrogen sulfide
• sulfuric acid

Tags

NGSS.HS-PS1-1

H₂0 - name?

• hydrooxic acid
• hydroxic acid
• water
• hydrogen oxide

Tags

NGSS.MS-PS1-1

What is the correct formula of phosphorus trichloride?

• P₂Cl₃

• P₃Cl₃

• PCl₃

• PCl₅

Tags

NGSS.MS-PS1-1

What is the correct formula for sodium nitrate?

• NaNO₂

• Na₃N

• Na₃NO

• NaNO₃

Tags

NGSS.MS-PS1-1

What is the correct molecular formula for barium hydroxide?

• Ba(OH)₂

• Ba₂OH

• BaOH

• Ba₂OH

Tags

NGSS.MS-PS1-1

What is the name for AlBr_3?

• aluminum bromide

• aluminum tribromide

• aluminum bromine

• monoaluminum tribromide

Name this compound.

MgF₂

• magnesium fluoride

• manganese fluoride

• magnesium(III) fluoride

• magnesium fluoride(II)

Find the formula zinc sulfate

• ZnSO₃

• ZnSO₄

• ZnS

• Zn(SO₄)₂

Tags

NGSS.HS-PS1-1

Formula for diphosphorus pentoxide?

• P₂O₅

• PO₅

• P₅O₂

• P₂O₆