Chemistry

Question 1

1The bond formed when both shared electrons come from one atom is a ___ bond.

Medium

Your answer (fill in the blank)

Question 2

2Metals are malleable because

Medium

A. they have no electrons B. layers of ions can slide over each other without breaking the metallic bond C. their ions repel strongly D. they are covalent

Question 3

3Covalent molecular substances usually have low melting points because

Medium

A. their covalent bonds are weak B. only weak intermolecular forces must be overcome C. they contain ions D. they are metals

Question 4

4Hydrogen chloride gas is an ionic compound.

Easy

A. True B. False

Question 5

5The bond in a chlorine molecule is

Easy

A. metallic B. ionic C. polar covalent D. non-polar covalent

Question 6

6Ionic compounds conduct electricity in the solid state.

Easy

A. True B. False

Question 7

7A dative (coordinate) covalent bond is one in which

Medium

A. both shared electrons come from the same atom B. electrons are transferred completely C. three electrons are shared D. no electrons are shared

Question 8

8A covalent bond is formed by

Easy

A. sharing neutrons B. sharing a pair of electrons between atoms C. transferring electrons D. attraction between ions

Question 9

9Graphite conducts electricity because

Medium

A. each carbon has one delocalised electron B. it contains ions C. it is a metal D. it has a dative bond

Question 10

10In a nitrogen molecule the atoms are joined by a ___ bond.

Easy

Your answer (fill in the blank)