Physics GCSE
identifying elements
What identifying elements means in Physics GCSE, as defined for AQA.
Definition of identifying elements
Check what you remember
Read the wording for your board, then hide it and explain identifying elements in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Two atoms are the same element only when their proton numbers, or equivalent atomic numbers, are compared and match.
Topics that use identifying elements
- Mass number, atomic number and isotopes (AQA GCSE)
Related terms
- atomic number
- counting neutrons
- identity, charge and mass
- ions
- isotopes
- mass number
- neutral atoms
- nuclide notation
Using identifying elements 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 Physics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Physics GCSE termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge