Combined Science GCSE
Group number and ion charge
What Group number and ion charge means in Combined Science GCSE, as defined for AQA.
Definition of Group number and ion charge
Check what you remember
Read the wording for your board, then hide it and explain Group number and ion charge in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Group 1 and Group 2 metals lose one or two electrons respectively, forming 1⁺ and 2⁺ ions, while Group 6 and Group 7 non-metals gain two or one electrons respectively, forming 2⁻ and 1⁻ ions.
Topics that use Group number and ion charge
- Ionic bonding (AQA GCSE)
Related terms
- Charge and notation
- Charges
- Electron loss and gain to achieve full outer shells
- Electron transfer
- Electron transfer and ion formation
- Electron transfer between metal and non-metal atoms
- Full outer shells and noble gas electron configurations
- Noble gas electronic structure
Using Group number and ion charge 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.
Start free
All Combined Science GCSE termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge