Berkelium is a radioactive metal, solid, silvery-white.
Berkelium is extremely rare, radioactive and unstable; berkelium is not for sale.
Berkelium has two electrons on the outer shell.
Uranium and berkelium are radioactive elements.
Berkelium is a radioactive metal without odor.
Berkelium is a member of the actinoids family.
Berkelium is made up of Chemicals like acid, chlorine, and diamond.
Silver metal
berkelium is american
berkelium is synthetic
Berkelium is not corrosive.
Berkelium is extremely rare, radioactive and unstable; berkelium is not for sale.
Berkelium has a silvery appearance.
Berkelium has two electrons on the outer shell.
Any item has berkelium inside.
Berkelium is not a commercial product.
Berkelium has a silvery appearance.
Berkelium has 97 electrons.