How many protons (p), neutrons (n) and electrons (e) are present in 200 80Hg2+?
How many protons (p), neutrons (n) and electrons (e) are present in 200
80Hg2+?
A 200 p 80 n 198 e
B 80 p 120 n 78 e
C 120 p 80 n 118 e
D 80 p 200 n 78 e
E 120 p 200 n 118
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