31 electrons if I can count, so Gallium?Although I'm pretty sure that electron configuration is made upEdit: nvm, see comment below, 47 electrons is right, been a long time since I last did chemistry :P
Hey look, it's a kürzlich aufgebauter vom Aufbauprinzip verbauter BauEdit: also, the configuration is referring to silver for those curious. Not my first choice, but whatever floats OP's boat (Baute?) I suppose.
"yeah man it's right above [Xe] 4f14 5d10 6s1, you can't miss it"