Chemical reactivity and ion formation
What Chemical reactivity and ion formation means in Combined Science GCSE, as defined for AQA.
Definition of Chemical reactivity and ion formation
Check what you remember
Read the wording for your board, then hide it and explain Chemical reactivity and ion formation in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Metals form positive ions by losing electrons, whereas non-metals gain or share electrons, forming negative ions or covalent bonds.
Topics that use Chemical reactivity and ion formation
- Metals and non-metals (AQA GCSE)
Related terms
- Atomic number
- Covalent bonds
- Metals
- Non-metals
- Periodic table trends
- Positive ion
- Stepped line
- Electron loss
Using Chemical reactivity and ion formation 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 Combined Science questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge