Approx. 800 - 1 000 $/kg for technical grade beryllium.
The valence of beryllium is two.
Beryllium has 4 electrons.
Beryllium has 4 protons
Beryllium has 4 protons.
Beryllium has 4 electrons.
Beryllium-9 has 9 nucleons.
Beryllium has two electron shells.
Beryllium has two valence electrons.
Beryllium has 2 bonding sites.
Beryllium is a stable element.
Electronic configuration of beryllium: 1s2.2s2.
The use of beryllium is legal but it is mandatory to respect the working precautions. For some forms of beryllium (pure beryllium, pure beryllium oxide or many components from these materials) the trade is severely internationally controlled.