» Beryllium (Be)

Loading element data…

Frequently Asked Questions about Beryllium

What is the atomic number of beryllium?

Beryllium has an atomic number of 4, meaning each atom contains 4 protons in its nucleus.

What is the atomic mass of beryllium?

The standard atomic weight of beryllium is 9.0122 u (unified atomic mass units).

What category does beryllium belong to?

Beryllium is classified as a alkaline earth metal.

What is the state of beryllium at room temperature?

Beryllium is a solid at 20 Β°C (68 Β°F).

What is the melting point of beryllium?

The melting point of beryllium is 1286.85 Β°C / 1560 K.

What is the boiling point of beryllium?

The boiling point of beryllium is 2467.85 Β°C / 2741 K.

What is the density of beryllium?

The density of beryllium is 1.85 g/cmΒ³ (20Β°C).

What is the electronegativity of beryllium?

Beryllium has a Pauling electronegativity of 1.57.

What is the electron configuration of beryllium?

The electron configuration of beryllium is [He] 2s2.

What are the common oxidation states of beryllium?

Beryllium commonly exhibits the following oxidation states: +2.

When was beryllium discovered?

Beryllium was discovered in 1798 by Louis Nicolas Vauquelin.

Is beryllium radioactive?

Beryllium is a stable element with no naturally occurring radioactive isotopes.

What is the biological role of beryllium?

No known biological role.

What are the common uses of beryllium?

Beryllium is used for: Copper and nickel alloys; Aerospace components; X-ray windows; Nuclear reactor neutron reflectors.