2. The development of the theories for d..-阿摩線上測驗
2. The development of the theories for describing the molecular formulas and geometries is a long history. Taking
PF5 as the example, please check which one below is correct.
(A) P has higher electronegativity than that of F.
(B) It has the trigonal bipyramidal structure according to the rule demonstrated by G. N. Lewis.
(C) The formal charge of P in the structure is It.
(D) The symmetry operation elements of PF5 include E, C3, C2, σh,σv, S3.
(E) The point group of PF5 is D3.