Chemistry GCSE
Group number and ion charge
What Group number and ion charge means in Chemistry GCSE, as defined for AQA.
Definition of Group number and ion charge
Check what you remember
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Reference: AQA
For metals the group number tells you how many electrons are lost, and for non-metals the number gained is 8 minus the group number.
Topics that use Group number and ion charge
- Ionic bonding (AQA GCSE)
Related terms
- Charge and relative numbers of protons and electrons
- dot and cross diagram
- Electron gain and loss to form ions
- Electron transfer
- Electronic structure of atoms and ions
- Ion formation
- Ion formation by electron loss
- Ionic bonding
Using Group number and ion charge in the exam
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