Physics GCSE
positive ions
What positive ions means in Physics GCSE, as defined for AQA.
Definition of positive ions
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Reference: AQA
Particles formed when atoms lose one or more outer electrons, so that positive charge outweighs negative.
Topics that use positive ions
- 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 positive ions in the exam
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