Ionic Bonding

What is the chemical formulae for nitrate ion?

• NO^3-

• NO₃^-

• NO₃^2-

• NO₃^3-

What is the chemical formulae for boron ion which has a proton number of 5?

• B⁺

• B³⁺

• B^5-

• B^-

What is the electronic configuration for magnesium ion given that magnesium has a proton number of 12?

• 2.2

• 2.8

• 2.8.2

• 2.8.8

What is the chemical formulae of the compound formed from Li⁺ and CO₃^2-?

• LiCO₃

• Li(CO₃)₂

• Li₂CO₃

• Li₃(CO₃)₂

What is the chemical formulae of the compound formed from NH₄⁺ and O^2-?

• (NH₄)₂O₂

• NH₄O₂

• (NH₄)₂O

• NH₄O

What is the name of the ion with the chemical formulae F^-?

Which of the following shows the correct 'dot-and-cross' diagram for magnesium fluoride?

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Which of the following shows the correct 'dot-and-cross' diagram for aluminium oxide?

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