Chemistry A-Level
bond making is exothermic
What bond making is exothermic means in Chemistry A-Level, as defined for AQA.
Definition of bond making is exothermic
Check what you remember
Read the wording for your board, then hide it and explain bond making is exothermic in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Making bonds gives energy out, and if more energy is released forming the new bonds than was needed to break the old ones, the system loses energy to the surroundings.
Topics that use bond making is exothermic
- Enthalpy change (AQA A-Level)
Related terms
- bond breaking is endothermic
- constant pressure
- enthalpy change
- enthalpy profiles
- per mole quantities
- products minus reactants
- sign of ∆H
Using bond making is exothermic 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