3 Li Lithium 6.941 u

Lithium

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周期
2
1
ブロック
s-ブロック
相 (STP)
Solid

Lithium is the lightest metal and the least dense solid element. It is widely used in rechargeable batteries and psychiatric medication.

外観: 銀白色

物理的特性

原子質量 6.941 u
密度 0.534 g/cm³
融点 180.5 °C
沸点 1329.8 °C
STPにおける相 Solid
原子半径 167.0 pm

電子的特性

電気陰性度 0.98
イオン化エネルギー 520.2 eV
電子親和力 59.6 eV
価電子 1

電子配置

配置 [He] 2s¹

Electron Shell Configuration

Lithium electron shell configuration Li 2e⁻ 1e⁻

Position in Periodic Table

Lithium position in the periodic table Li

発見

発見者: Johan August Arfwedson
年: 1817

Compounds Containing Lithium

アルカリ金属 をもっと見る

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Frequently Asked Questions

What is Lithium?
Lithium (Li) is a chemical element with atomic number 3. It is a solid at standard temperature and pressure, classified as a アルカリ金属.
What are the key properties of Lithium?
Lithium has an atomic mass of 6.941 u, density of 0.534 g/cm³, melting point of 180.5°C, boiling point of 1329.8°C.
What is the electron configuration of Lithium?
The electron configuration of Lithium is [He] 2s1. It is in the s-block of the periodic table.
Who discovered Lithium?
Lithium was discovered by Johan August Arfwedson in 1817.
What is the electronegativity of Lithium?
Lithium has an electronegativity of 0.98 on the Pauling scale.