Berkelium has two electrons on the outer shell.
Berkelium has seven electron shells.
Berkelium has the valences 3+ and 4+.
Berkelium is extremely rare, radioactive and unstable; berkelium is not for sale.
Uranium and berkelium are radioactive elements.
Berkelium is a radioactive metal without odor.
Berkelium is a member of the actinoids family.
Berkelium has seven electron shells.
Berkelium has seven electron shells.
Berkelium has 97 electrons.
Berkelium has 97 electrons.
Berkelium has the valences 3+ and 4+.
Berkelium is a unique chemical element.
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.
The most common isotope , berkelium-249, has 152 neutrons.Number of neutrons = Mass number of an isotope - 97