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What is the formal charge (FC) on nitrogen (N) in ammonium cation (NH4+)? Group of answer...

What is the formal charge (FC) on nitrogen (N) in ammonium cation (NH4+)?

Group of answer choices

0

+1

–1

None of the above

1 0
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Answer #1

The lewis structure of NH4+ is

I H ..N.. ..Z.. H

The formula of formal charge is:

Formal charge = [# of valence electrons] – [electrons in lone pairs + 1/2 the number of bonding electrons]

on N:

# of valence electrons for N = 5

Formal charge =5 - (0 + 1/2 * 8)

= 5 - 4

= +1

Answer: +1

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