Question

Which of the following has more electrons than protons?
a. Mg+2
b. Alt+3
c.O-2
d.H+1​

Answer 1

b.Alt+3......................

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Answer 2

Hello Dear :

Mg2+ has 12 proton(p+) and 10 electron(e-)

Al3+ has 13 p+ and 10 e-

O2- has 8p+ and 10e-

H+ has 1 p+ and 0e+ .

Hence O2- has more e- than p+ .

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