Berkelium is a very rare, artificial element, impossible to found in the nature.
berkelium is synthetic
berkelium is american
Berkelium is extremely rare, radioactive and unstable; berkelium is not for sale.
Species Abundance refers to how common or rare a species is relative to other species in a specific location.
Berkelium has the valences 3+ and 4+.
Berkelium has 97 electrons.
Berkelium has 97 electrons.
Berkelium is an artificial element.
We haven't berkelium in the body.
Berkelium is a metal.
Any item has berkelium inside.
Berkelium is not a commercial product.