Physics GCSE
two conservation totals
What two conservation totals means in Physics GCSE, as defined for AQA.
Definition of two conservation totals
Check what you remember
Read the wording for your board, then hide it and explain two conservation totals in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The mass numbers across the equation and the atomic numbers across the equation, which are the two totals you balance and nothing else.
Topics that use two conservation totals
- Nuclear equations (AQA GCSE)
Related terms
- balanced nuclear equations
- balancing equations
- beta decay
- conservation of charge
- conservation of mass number
- emitted particle numbers
- increased atomic number
- loss of energy
Using two conservation totals 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.
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