Workshop 2

Question 1

What are the two exceptions when naming covalent compounds.

Answer 1

1. If there is only one atom of the first element you do not use the prefix “mono”.
2. If the second element is oxygen you drop the “o” and “a” endings from the prefix.

Question 2

How does Cl₂ fill a test tube? Can you visually distinguish it?

Answer 2

Cl₂ takes the space and volume of the container. No.

Question 3

How does fluorine fill a test tube? Can you visually distinguish it?

Answer 3

Fluorine takes the volume and space of the container. No.

Question 4

How does bromine fill a test tube? Can you visually distinguish it?

Answer 4

Bromine has definite volume and takes the shape of the container. Yes.

Question 5

How does iodine fill a test tube? Can you visually distinguish it?

Answer 5

Iodine has definite shape and definite volume. Yes.

Question 6

Describe chlorine at the molecular level.

Answer 6

Chlorine is a gas in which the particles are not organized. It exhibits vibrational, rotational and translational movement.

Question 7

Describe fluorine at the molecular level.

Answer 7

Fluorine shows particles that are not organized. It exhibits vibrational, rotational and translational movement.

Question 8

Describe bromine at the molecular level.

Answer 8

Bromine is a solid in which the particles are tightly packed together and cannot move past each other.

Question 9

Describe iodine at the molecular level.

Answer 9

Iodine is a liquid in which the particles are tightly packed together but can move past one another.