I'm thinking of using gadolinium but idk

silver

if i want one it'd be uranium

Silver
Radium
Helium
Magnesium
Titanium
Hydrogen
Xenon
Einsteinium
Americium
Calcium
Selenium
Potassium
Iridium
Uranium
Tungsten
Yttrium
Beryllium
Lithium
Nihonium
Neon
And some others I didn't mention

cool thank you

I was Platinum

I knew that.

just pull out a periodic table and someone will cross out all the ones that were taken at one point