Berkelium has the valences 3+ and 4+.
Berkelium has 97 electrons, which means it has 7 electron shells.
Berkelium is extremely rare, radioactive and unstable; berkelium is not for sale.
Approx. 60 000 000 compouds are known today.
Berkelium is a radioactive metal without odor.
Berkelium is a unique chemical element.
Berkelium has 97 electrons.
Berkelium has 97 electrons.
Berkelium has the valences 3+ and 4+.
Berkelium has seven electron shells.
Berkelium has seven electron shells.
Berkelium has 97 electrons, which means it has 7 electron shells.
there are billions of different chemical compounds.
berkelium is synthetic
berkelium is american
Berkelium is extremely rare, radioactive and unstable; berkelium is not for sale.
The most common isotope , berkelium-249, has 152 neutrons.Number of neutrons = Mass number of an isotope - 97