A) 32
B) 42
C) 30
D) 34
Correct Answer: C
Solution :
Number of electrons in \[{{M}^{2+}}=24\] \[\therefore \] number of electrons in M = 26 ie, atomic number (Z) = 26 Mass number =56 \[\therefore \] number of neutrons = A - Z = 56 - 26 = 30.You need to login to perform this action.
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