13 Al Aluminum 26.982 u

Aluminum

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周期
3
13
区块
p-区块
相态 (STP)
Solid

Aluminum is the most abundant metal in Earth's crust. It is lightweight, corrosion-resistant, and widely used in packaging and transportation.

外观: 银白色金属

物理属性

原子质量 26.982 u
密度 2.7 g/cm³
熔点 660.3 °C
沸点 2469.8 °C
STP相态 Solid
原子半径 118.0 pm

电子属性

电负性 1.61
电离能 577.5 eV
电子亲和能 42.5 eV
价电子 3

电子构型

构型 [Ne] 3s² 3p¹

Electron Shell Configuration

Aluminum electron shell configuration Al 2e⁻ 8e⁻ 3e⁻

Position in Periodic Table

Aluminum position in the periodic table Al

发现

发现者: Hans Christian Oersted
年份: 1825

Compounds Containing Aluminum

更多后过渡金属

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Frequently Asked Questions

What is Aluminum?
Aluminum (Al) is a chemical element with atomic number 13. It is a solid at standard temperature and pressure, classified as a 后过渡金属.
What are the key properties of Aluminum?
Aluminum has an atomic mass of 26.982 u, density of 2.7 g/cm³, melting point of 660.3°C, boiling point of 2469.8°C.
What is the electron configuration of Aluminum?
The electron configuration of Aluminum is [Ne] 3s2 3p1. It is in the p-block of the periodic table.
Who discovered Aluminum?
Aluminum was discovered by Hans Christian Oersted in 1825.
What is the electronegativity of Aluminum?
Aluminum has an electronegativity of 1.61 on the Pauling scale.