Exam (elaborations)
AS chemistry revision Exam Practice Question And Answers.
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mass of an electron - correct answer 1/2000th of a proton relative charge and relative mass of a proton, neutron, and electron - correct answer proton: charge=+1 mass=1 neutron: charge=0 mass=1 electron: charge=-1 mass=1/2000th atomic number - correct answer the number of protons in the nuc...
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