Chemical Compounds

Match the following polyatomic ions

• Ammonium ion

• HCO₃^-

• Sulfate ion

• NH₄⁺

• Bicarbonate ion

• CO₃^2-

• Hydroxide ion

• SO₄^2-

• Carbonate ion

• OH^-

Organise these options into the right categories

Groups:

(a) Anions

,

(b) Cations

• OH-

• Bromide ion

• H+

• Ammonium ion

• F-

• Mg2+

• Calcium ion

• Oxide ion

Organise these options into the right categories

Groups:

(a) Monoatomic ions

,

(b) Polyatomic ions

• Nitrate ion

• Hydrogen ion

• Nitride ion

• Hydroxide ion

Magnesium ion and carbonate ions bond to form

Match the following polyatomic formulas to their ions

• Na⁺ SO₄^2-

• CaCl₂

• Al⁺³ NO₃^-

• Al(NO₃)₃

• Ca²⁺ Cl^-

• Na₂SO₄

• K⁺ OH^-

• (NH₄)₃PO₄

• NH₄⁺ PO₄^3-

• KOH

The ions: Li⁺ and F^-, make the chemical compound:

• LiF

• Lithium fluorine

• Li₂F

• FLi

Match the following polyatomic formulas to their names

• Zinc phosphate

• AgNO₃

• Silver nitrate

• Zn₃(PO₄)₂

• Aluminium sulfate

• Li₂CO₃

• Lithium carbonate

• NH₄F

• Ammonium fluoride

• Al₂(SO₄)₃

Select the correct statement

• Anions give their electrons to anions

• Anions give their electons to cations

• Cations give their electrons to anions

• Cations give their electrons to cations

Lithium ions and Hydride ions bond to form

• Lithium hydrogen

• Li₁H₁

• HLi

• LiH

Magnesium nitride is made of:

• Magnesium ions and nitrogen ions

• Mg⁺ and NO₃^-

• Magnesium ions and nitride ions

• Magnesium and nitrogen