Topic 2 : Covalent Bonding

Question 1

What is meant by the term covalent bond? (2)

Answer 1

Strong electrostatic attraction between two nuclei and the bonding pair of electrons

Question 2

Dot and cross diagram for nitric acid (3)

Answer 2

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Question 3

Draw dot and cross diagram for sulfuric acid

Answer 3

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Question 4

Draw dot and cross diagram for propene (2)

Answer 4

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Question 5

Draw dot and cross diagram for Sulfur dioxide (1)

Answer 5

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Question 6

Complete the dot and cross diagram for a molecule of boric acid

Answer 6

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Question 7

Draw dot and cross diagram for molecule of nitrogen gas and for nitride ion N3-

Answer 7

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