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Determine the number of protons, neutrons and electrons in the following atomic nuclei
number… Protons Neutrons Electrons 31H 52He 13C 234U 13C2+ 34S2- 4He2+ 17O 200Au+ 78Br– 
Solution: number… Protons Neutrons Electrons 31H 1 2 1 52He 2 3 2 13C 6 7 6 234U 92 142 92 13C2+ 6 7 4 34S2- 16 18 18 4He2+ 2 2 0 17O 8 9 8 200Au+ 79 121 78 78Br– 35 43 36
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