4 Be 9.01218315

Beryllium

ALKALINE EARTH METAL

Phase: Solid
Discovered: Louis Nicolas Vauquelin
Block: S

Summary

Beryllium is a chemical element with symbol Be and atomic number 4. It is created through stellar nucleosynthesis and is a relatively rare element in the universe. It is a divalent element which occurs naturally only in combination with other elements in minerals.

Appearance: white-gray metallic

Source: Wikipedia

Physical Properties

Atomic Mass 9.01218315 u
Density 1.85 g/cm³
Melting Point 1560 K
Boiling Point 2742 K
Molar Heat 16.443 J/(mol·K)
Electron Affinity -48 kJ/mol

Ionization Energies

1st: 899.5 kJ/mol
2nd: 1757.1 kJ/mol
3rd: 14848.7 kJ/mol
4th: 21006.6 kJ/mol