C2.2.5 - Simple Molecules

Question 1

Define covalent bond

Answer 1

A shared pair of electrons and formed between 2 non metal atoms, close enough to share
Sharing the electrons completes their outer shells

Question 2

Define molecule

Answer 2

A particle where non metal atoms are joined via covalent bonds

Question 3

Define simple molecule and give 3 examples

Answer 3

A molecule containing few atoms
- Hydrogen
- Oxygen
- Water

Question 4

Describe the bonding in simple molecules

Answer 4

Strong covalent bonds, weak intermolecular forces

Question 5

Properties of simple molecules (at least 3)

Answer 5

Usually gases/liquids
Due to weak intermolecular forces, low boiling and melting points
Don’t conduct electricity