Exam (elaborations)
Chemistry Questions and Answers[Level A+] 2023
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mass of an electron - -1/2000th of a proton -relative charge and relative mass of a proton, neutron, and electron - -proton: charge=+1 mass=1 neutron: charge=0 mass=1 electron: charge=-1 mass=1/2000th -atomic number - -the number of protons in the nucleus of an atom -mass number - -the s...
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