Part A What is the element symbol for the Group 11 metal that can commonly be found in the +3 oxidation state?

Part A

What is the element symbol for the Group 11 metal that can commonly be found in the +3 oxidation state?

Enter the elemental symbol of this element. For example, for carbon enter C.

Part B

Two of the Group 12 elements exhibit very similar chemistries to one another, while the chemistry of the third is somewhat different. Identify the Group 12 element whose chemistry is different from the other two Group 12 elements.

Enter the elemental symbol this element