A) 7 protons and 10 electrons
B) 4 protons and 7 electrons
C) 4 protons and 10 electrons
D) 10 protons and 7 electrons
Correct Answer: A
Solution :
In \[{{N}^{3-}}\] (nitride) ion, No. of proton = Atomic number\[=7\] and. No. of electron = Atomic number \[\pm \] charge on the ion \[\therefore \]No. of electron\[=7+3=10\] Hence, \[{{N}^{3-}}\] ion have 7 protons 3 and 10 electrons.
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