Asked by Km
Why is the formal charge on B in BF4- is 1?
Answers
Answered by
DrBob222
<b>
  F
  ..
F:B:F
  ..
  F</b>
I didn't place the electrons around each F atom because of spacing problems but there are 8 electrons (4 pairs) around B. Count each shared pair as 1 for B. That is 4. It is in group IIIA and has only three in the elemental state. That gives it one more electron than it started with so that is a -1 charge.
  F
  ..
F:B:F
  ..
  F</b>
I didn't place the electrons around each F atom because of spacing problems but there are 8 electrons (4 pairs) around B. Count each shared pair as 1 for B. That is 4. It is in group IIIA and has only three in the elemental state. That gives it one more electron than it started with so that is a -1 charge.
Answered by
No. I won't give my name
Wrong answer man. Your answer got 2 disvotes 👎 in 14 years. That is when I was born🙄
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