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Chemistry
OCR GCSE Chemistry B
Chemical patterns
History of the atomic model
Sub-atomic particles

OCR GCSE Chemistry B · J258

Sub-atomic particles

What you need to know

Describe the relative charges and approximate relative masses of protons, neutrons, and electrons.

Revision notes

1
Sub-atomic particles
6 key terms

Practise with past papers Key terms & definitions

Previous subtopicStructure of the atom Next subtopicSize and scale of atoms