What are those pentavalent elements?

Answer:
Located in the Periodic Table's Group IIIA, they list as Boron, Aluminum, Gallium, Indium, Thallium, Dysprosium and Californium.
First answer by Betaclamp. Last edit by Betaclamp. Contributor trust: 106 [recommend contributor recommended]. Question popularity: 1 [recommend question].