4
Be
Beryllium
9.0122 u
Beryllium
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Period
2
Group
2
Block
s-block
Phase (STP)
Solid
Beryllium is a lightweight alkaline earth metal with high stiffness. It is used in aerospace materials and X-ray windows.
Appearance: White-gray metallic
Compounds Containing Beryllium
More Alkaline Earth Metal
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Frequently Asked Questions
What is Beryllium?
Beryllium (Be) is a chemical element with atomic number 4. It is a solid at standard temperature and pressure, classified as a alkaline earth metal.
What are the key properties of Beryllium?
Beryllium has an atomic mass of 9.0122 u, density of 1.85 g/cm³, melting point of 1286.8°C, boiling point of 2468.8°C.
What is the electron configuration of Beryllium?
The electron configuration of Beryllium is [He] 2s2. It is in the s-block of the periodic table.
Who discovered Beryllium?
Beryllium was discovered by Louis Nicolas Vauquelin in 1798.
What is the electronegativity of Beryllium?
Beryllium has an electronegativity of 1.57 on the Pauling scale.