GCSE Chemistry · key term

Ion charge

Definition

The overall electrical charge produced by the difference between the numbers of protons and electrons.

Used by Edexcel

Specification 1.23 · Paper 1, Paper 2

The ion charge is written at the upper right.
Revise: Subatomic Particles in Ions

1
Write the ion charge as a signed number before calculating electrons: for example, $2-$ means $q=-2$ .

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GCSE Chemistry · key term

The overall electrical charge produced by the difference between the numbers of protons and electrons.

Used by Edexcel

Specification 1.23 · Paper 1, Paper 2

The ion charge is written at the upper right.
Revise: Subatomic Particles in Ions

1
Write the ion charge as a signed number before calculating electrons: for example, $2-$ means $q=-2$ .

Create a free account to read GCSE Chemistry revision notes for your exam board and track your progress.