zoo 1

Cov khoom

Beryllium
Khoom npe: Beryllium
Atomic hnyav = 9.01218
Element symbol = Ua
Atomic Number = 4
Peb qhov xwm txheej ● boiling point = 2970 ℃ ● melting point = 1283 ℃
Qhov ceev ●1.85g / cm3 (25 ℃)