Examen
AS Level Chemistry 1 Questions with Correct Answers
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- Établissement
▪ Atomic number - Ans .Number of protons in an element ▪ Mass number - Ans .Number of protons and neutrons ▪ Ion - Ans .Electrically charged particle formed by the loss/gain of electrons ▪ Relative masses of P,N and E - Ans .1,1, 1/2000 (respectively) ▪ Isotopes - Ans .Atoms of the sa...
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