Key term for OCR GCSE Chemistry B, used in History of the atomic model.
The tiny, positively charged central part of an atom containing protons and neutrons, where over 99.9% of the atom's mass is concentrated.
Nucleus appears in OCR GCSE Chemistry B revision content for Chemical patterns, especially History of the atomic model and Size and scale of atoms.
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Chemical patterns
History of the atomic model • Structure of the atom
