Question

the total no. of valence e- in 4.2 g of N3 NEGATIVEION ARE- A] 2.2 B] 4.2 C] 1.6 D] 3.2

Answer 1

Answer:

Each N3- ion has 8 valence electrons, so total number of valence electrons = 1.8 X 10^23 X 8 = 1.4 X 10^24 valence electrons.

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