Exam (elaborations)
OCR A Level Chemistry TOP Exam Questions and CORRECT Answers
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Isotopes Different atomic forms of the same element. Atoms with the same number of protons but a different number of neutrons Relative atomic mass The mean mass of an atom of an element, compared to 1/12th of the mass of an atom of carbon-12 Concentration= Number of moles ÷ Volume One mole ...
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