32 Ge Germanium 72.63 u

Germanium

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周期
4
14
ブロック
p-ブロック
相 (STP)
Solid

Germanium is a metalloid used in fiber optics, infrared optics, and electronics. It was one of the elements predicted by Mendeleev before its discovery.

外観: 灰白色で光沢のある硬い固体

物理的特性

原子質量 72.63 u
密度 5.323 g/cm³
融点 938.3 °C
沸点 2832.8 °C
STPにおける相 Solid
原子半径 125.0 pm

電子的特性

電気陰性度 2.01
イオン化エネルギー 762.0 eV
電子親和力 119.0 eV
価電子 4

電子配置

配置 [Ar] 3d¹⁰ 4s² 4p²

Electron Shell Configuration

Germanium electron shell configuration Ge 2e⁻ 8e⁻ 18e⁻ 4e⁻

Position in Periodic Table

Germanium position in the periodic table Ge

発見

発見者: Clemens Winkler
年: 1886

ブロックと周期

ブロック

周期

周期表

ランタノイド アクチノイド

Compounds Containing Germanium

半金属 をもっと見る

Frequently Asked Questions

What is Germanium?
Germanium (Ge) is a chemical element with atomic number 32. It is a solid at standard temperature and pressure, classified as a 半金属.
What are the key properties of Germanium?
Germanium has an atomic mass of 72.63 u, density of 5.323 g/cm³, melting point of 938.3°C, boiling point of 2832.8°C.
What is the electron configuration of Germanium?
The electron configuration of Germanium is [Ar] 3d10 4s2 4p2. It is in the p-block of the periodic table.
Who discovered Germanium?
Germanium was discovered by Clemens Winkler in 1886.
What is the electronegativity of Germanium?
Germanium has an electronegativity of 2.01 on the Pauling scale.