Top 10 interesting facts about Beryllium

Top 10 interesting facts about Beryllium

Beryllium is a relatively rare and unique element with interesting properties. Here are Top 10 interesting facts about Beryllium. 

Top 10 interesting facts about Beryllium - Beryllium Element

  1. Atomic Number 4: Beryllium has the atomic number '4' on the periodic table, and its chemical symbol is Be.
  2. Rare Element: Beryllium is a relatively rare element in the Earth's crust, making up just 0.0002% of its composition.
  3. Light but Strong: Beryllium is both lightweight and exceptionally strong, which makes Beryllium element very valuable in various applications, especially aerospace and defence.
  4. Low Density: It has a low density, only about a third that of aluminium, that's why it is used in lightweight structural materials.
  5. Toxic Dust: Beryllium dust or fumes are toxic and can cause a severe lung condition known as berylliosis. Special precautions are required when working with beryllium.
  6. High Melting Point: Beryllium has a high melting point of 1287°C (2349°F) and a boiling point of 2471°C (4480°F).
  7. Transparent to X-rays: Beryllium is transparent to X-rays, making it useful in X-ray windows, medical and industrial X-ray equipment, and in the construction of synchrotron radiation sources.
  8. Alloying Agent: Beryllium metal is often used as an alloying agent in materials like copper, resulting in beryllium-copper alloys known for their high electrical conductivity and resistance to corrosion.
  9. Neutron Moderator: In some nuclear reactors, beryllium is used as a neutron moderator to slow down neutrons and enhance nuclear reactions.
  10. Space Exploration: Beryllium is used in components of spacecraft, satellites, and telescopes due to its lightweight, strong, and stable properties, making it an ideal choice for use in space.

Beryllium element gets its name from the mineral beryl, which contains beryllium. Beryl is often used as a gemstone and includes varieties such as emerald and aquamarine.

Beryllium's unique combination of properties makes 'Be element' very useful in various technological and scientific applications, from aerospace to nuclear energy and X-ray technology.

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Physical and Chemical Properties of Beryllium

Given below are the physical and chemical properties of Beryllium element.



Chemical Properties

Beryllium Chemical properties

Chemical Symbol


Atomic Number


Atomic Weight (amu)


Electron Configuration

[He] 2s2


Be-9, Be-10


Forms compounds readily, but it is not very reactive.

Oxidation States


Physical Properties

Beryllium Physical Properties

State at Standard Conditions

Solid (metal)

Melting Point

1,287°C (2,349°F)

Boiling Point

2,471°C (4,480°F)

Density (at 20°C)

1.848 g/cm³

Molar Mass

9.0122 g/mol


Silvery-white, relatively soft metal


Insoluble in water; reacts with acids.

Electrical Conductivity

Good conductor of electricity

Thermal Conductivity

High thermal conductivity


Beryllium dust and fumes can be toxic and cause lung conditions.

These properties highlight beryllium's characteristics as a lightweight, strong, but potentially toxic metal. Beryllium metal has many applications in various industries, including aerospace and nuclear technology.

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