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In what way does the Lewis structure of BF3 appear to violate the octet rule? A)BF3...

In what way does the Lewis structure of BF3 appear to violate the octet rule?

A)BF3 can react with NH3 to form a compound with a B—N bond for which the nitrogen provides both of the electrons.
B)Experimental measurements suggest that the B—F bonds are unexpectedly short.
C)To adhere to the octet rule, the Lewis structure of BF3 would require a formal positive charge on one of the electronegative fluorine atoms.
D)In the simple Lewis structure of BF3 there are only six electrons around the boron atom.
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