4 Be Beryllium 9,0122 u

Beryllium

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Periyot
2
Grup
2
Blok
s-Blok
Faz (STP)
Solid

Beryllium is a lightweight alkaline earth metal with high stiffness. It is used in aerospace materials and X-ray windows.

Görünüm: White-gray metallic

Fiziksel Özellikler

Atom Kütlesi 9.0122 u
Yoğunluk 1.85 g/cm³
Erime Noktası 1286.8 °C
Kaynama Noktası 2468.8 °C
STP'de Faz Solid
Atom Yarıçapı 112.0 pm

Elektronik Özellikler

Elektronegatiflik 1.57
İyonlaşma Enerjisi 899.5 eV
Değer Elektronları 2

Elektron Yapısı

Yapılandırma [He] 2s²

Electron Shell Configuration

Beryllium electron shell configuration Be 2e⁻ 2e⁻

Position in Periodic Table

Beryllium position in the periodic table Be

Keşif

Keşfeden: Louis Nicolas Vauquelin
Yıl: 1798

Compounds Containing Beryllium

Daha fazla Toprak Alkali 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 toprak alkali 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.