Problem: Knowing that F is more electronegative than either B or P, what conclusion can be drawn from the fact that BF3 has no dipole moment, but PF3 does? a) BF3 is not spherically symmetrical, but PF3 is. b) The BF3 molecule must be trigonal planar. c) The BF3 molecule must be linear.  d) The atomic radius of P is larger than the atomic radius of B.

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Knowing that F is more electronegative than either B or P, what conclusion can be drawn from the fact that BF3 has no dipole moment, but PF3 does?

a) BF3 is not spherically symmetrical, but PF3 is.

b) The BF3 molecule must be trigonal planar.

c) The BF3 molecule must be linear. 

d) The atomic radius of P is larger than the atomic radius of B.

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