4 Be Beryllium 9.0122 u

Beryllium

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주기
2
2
블록
s-블록
상 (표준 상태)
Solid

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

외관: 흰색-회색 금속

물리적 성질

원자 질량 9.0122 u
밀도 1.85 g/cm³
녹는점 1286.8 °C
끓는점 2468.8 °C
표준 상태에서의 상 Solid
원자 반지름 112.0 pm

전자적 성질

전기 음성도 1.57
이온화 에너지 899.5 eV
원자가 전자 2

전자 배치

배치 [He] 2s²

Electron Shell Configuration

Beryllium electron shell configuration Be 2e⁻ 2e⁻

Position in Periodic Table

Beryllium position in the periodic table Be

발견

발견자: Louis Nicolas Vauquelin
연도: 1798

Compounds Containing Beryllium

더 많은 알칼리 토금속

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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 알칼리 토금속.
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.