Hardness and melting point
What Hardness and melting point means in Chemistry GCSE, as defined for AQA.
Definition of Hardness and melting point
Check what you remember
Read the wording for your board, then hide it and explain Hardness and melting point in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The rigid network makes diamond very hard, and many strong covalent bonds must be broken to melt it, so it has a very high melting point.
Topics that use Hardness and melting point
- Diamond (AQA GCSE)
Related terms
Using Hardness and melting point in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Chemistry questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge