Beryllium (Be) Properties and Facts

Element 4 - Alkaline Earth Metal

What are the basic properties of Beryllium?

Beryllium (symbol: Be) is a alkaline earth metal with atomic number 4. Its atomic mass is 9.0122 u, and it belongs to period 2 and group 2.

What is the electron configuration of Beryllium?

The electron configuration is: 1s² 2s²

What are the physical properties of Beryllium?

Melting point: 1560.0 K
Boiling point: 2742.0 K
Density: 1.848 g/cm³

What are the known isotopes of Beryllium?

  • Be-9: 100.0% abundance

What is the biological role and occurrence of Beryllium?

Biological role: No biological role, toxic
Natural occurrence: Found in beryl and bertrandite minerals

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