Chemistry A-Level
comparing force strengths
What comparing force strengths means in Chemistry A-Level, as defined for AQA.
Definition of comparing force strengths
Check what you remember
Read the wording for your board, then hide it and explain comparing force strengths in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Comparisons follow a fixed order: identify every force present in each substance, decide which is strongest, and only then compare.
Topics that use comparing force strengths
- Forces between molecules (AQA A-Level)
Related terms
- anomalous boiling points
- branching and contact area
- electronegativity of the donor atom
- four hydrogen bonds per water molecule
- hydrogen bonding
- induced dipole-dipole forces
- open lattice in ice
- permanent dipole-dipole forces
Using comparing force strengths in the exam
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