OCR GCSE Combined Science A · J250
Specification C2.2a, C4.1a · Chemistry Paper 1, Chemistry Paper 2
Revise: Metals and Non-MetalsElements can be divided into metals and non-metals, according to patterns in their physical properties and chemical behaviour.
- Revise: Properties of Groups 1, 7, and 0
A characteristic that can be observed or measured without changing a substance into a different substance, such as its colour or melting point.