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2.1.3 Sub-atomic particles — OCR Chemistry B J258 | GradeGen.AI

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

Sub-atomic particles

OCR GCSE Chemistry B (J258) — Chemical patterns

What You Need to Know

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

Revision Notes

Sub-atomic particles

Practise with Past Papers Key Terms & Definitions

Previous SubtopicStructure of the atom Next SubtopicSize and scale of atoms