Question

CLASS 8
CHAPTER 4
"MATERIALS : METALS AND NON-METALS"

Que - Identify the element in the following electron dot structures.

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Answer 1

Explanation:

Formal charge = Total number of valence electrons − Total number of nonbonding electrons −

2

1

× Total number of bonding electrons.

As for given structure,

For 1st and 3rd nitrogen atom

Formal charge =5−4−

2

1

×4=−1

For middle nitrogen atom

Formal charge =5−0−

2

1

×8=+1