If i buy an unlocked iphone 5, originally from att, can i use it on verizon?

If i buy an unlocked iphone 5, originally from att, can i use it on verizon?

If its unlock then yeah

No because Verizon does not use SIM cards. It is however usable with T-mobile…

I know it's not what you wanted to hear but i'm sorry:/
I tried to help:/

Nope.

From what I understand, Verizon uses CDMA network whereas ATT uses GSM, so they are incompatible