no. of valence electrons present in 7 gm of nitride ion ?
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No. of valence electrons in one nitride N
3−
ion =8
No. of valence electrons in 4.2g of Nitride ion =
Atomic Weight
Weight
×8×N
o
No. of valence electrons in 4.2g of Nitride ion =
Atomic Weight
Weight
×8×N
o
=
14
4.2
×8×N
o
=2.4×N
o
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