Chemistry A-Level
Melting point and brittleness explained by the model
What Melting point and brittleness explained by the model means in Chemistry A-Level, as defined for OCR.
Definition of Melting point and brittleness explained by the model
Check what you remember
Read the wording for your board, then hide it and explain Melting point and brittleness explained by the model in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Many strong electrostatic attractions throughout the lattice must be overcome to melt it, while sliding a layer brings like charges together and causes repulsion.
Topics that use Melting point and brittleness explained by the model
- Bonding and structure (OCR A-Level)
Related terms
- Anomalous melting and boiling points
- Average bond enthalpy
- Averaging over similar compounds and its limitation
- Bond angles
- bond length and strength
- Bond polarity and lone pairs
- Bond polarity versus molecular polarity
- Comparison of solid, liquid and aqueous states
Using Melting point and brittleness explained by the model 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.
Start free
All Chemistry A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge