The number of electrons, protons and neutrons in ^(31)P^(3-) ion is respectively ……………
The number of electrons, protons and neutrons in 31P3- ion is respectively ……………
(A) 15, 15, 16
(B) 15, 16, 15
(C) 18, 15, 16
(D) 15, 16, 18
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