下列分子中,属于非极性分子的是( )
A. PCl3
B. NF3
C. SO2
D. HgCl2
下列物质中分子间力最强的是( )
A. F2
B. C12
C. Br2
D. I2
Which of the following molecules has a linear shape?( )
A. H2O
B. NH3
CH4
D. Ag(NH3)2+
Which of the following molecules has a sp3d2 hybrid orbital for the central atom?( )
A. BF3
B. CF4
C. PF5
D. SF6