Edexcel OLevel Chemistry revision notes

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Lesson

Lesson-3.1.3- know the structure of an atom in terms of the positions, relative masses and relative charges of sub-atomic particles.

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Lesson-3.1.2- know the structure of an atom in terms of the positions, relative masses and relative charges of sub-atomic particles.Previous Lesson-3.1.4- know what is meant by the terms atomic number, mass number, isotopes and relative atomic mass (Ar).Next