Molecule Quiz: Text Version

See the interactive and printable versions of this game on the games and puzzles page.

In this multiple-choice game, the goal is to match the right molecule illustration with its name.

There are four questions about molecules. You have three choices for each question. Each choice is a molecule, represented by two or more letters that stand for chemical elements that form it. Pick a, b or c.

Hint: A chemical element can appear more than once in a molecule.

The answers are below.

1. Which molecule is water?
a) O H
b) H O H
c) H C H

2. Which molecule is heavy water (or deuterium oxide)?
a) O C O
b) H O H
c) D O D

3. Which molecule is carbon dioxide?
a) O C O
b) C O C
c) C O

4. Which molecule is sulphur trioxide?
a) O S O
b) O S O O
c) S O S S

Answers:
1. b
2. c
3. a
4. b