2. Suggest and explain how you would differentiate two sample of black powder, one of buckminsterfullerene and the other of graphite by a physical method.
3.Explain why the F-P-F bond angle in a PF^(3) molecule is smaller than the Cl-P-Cl bond angle in a PCl ^(3) molecule.
THX a lot~~~~~~~~~~~~~~~~~~~~~~
更新1:
Yes ~~~
更新2:
Who are you????