Which obeys the octet rule PF5 Cs2 BBr3 CO3 2-?
Yes, it obeys the octet rule. (Of coarse not an octet for the H atoms: they are saturated with a duplet (=2)). To show you HOW this is done, you will need the structural for… (MORE)
No, IF5 does not obey the octet rule. I has more than 8 valence electrons, so it has an expanded octet.
Yes, SO4 2- can be drawn without violating the octet rule. It is also a resonance structure. Here's an illustration below (ignore the dots, it was the only way it posted corre… (MORE)
No. The boron atom is electron deficient. It only has 6 outer shell electrons in this molecule.