Ardingly College. Ionic Bonding Quiz 2

What happens when a magnesium atom forms a magnesium ion Mg²⁺ ?

• It loses two electrons

• it gains two electrons

• it loses two protons

• it gains two protons

Which of these ions has a +1 charge ?

• magnesium

• chloride

• ammonium

• nitrate

What is the formula for ammonium nitrate ?

• NH₄N

• NH₄NO

• NH₄NO₃

• (NH₄)₂NO₃

What is the formula for aluminium oxide ?

• AlO

• AlO₂

• Al₃O₂

• Al₂O₃

Phosphorus is in group 5 in the Periodic Table.

What is the charge on a phosphide ion

• +5

• -5

• +3

• -3

Sulfur is in group 6 of the Periodic Table.

What happens to sulfur when it becomes a sulfide ion ?

• it loses 2 electrons

• it loses 6 electrons

• it gains 2 electrons

• it loses 6 electrons

What is the formula for calcium carbonate ?

• CaC

• CaCO

• CaCO₃

• Ca₃CO

All atoms form bonds because they want to have a ................ outer shell of electrons

Which of these ions has a -3 charge

• aluminium

• nitride

• sulfide

• oxide

what is the formula of a nitrate ion ?

• NO^-

• NO₃⁺

• NO⁺

• NO₃^-