7 N Nitrogen 14.007 u

Nitrogen

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周期
2
15
区块
p-区块
相态 (STP)
Gas

Nitrogen makes up about 78% of Earth's atmosphere. It is essential for life as a component of amino acids, proteins, and DNA.

外观: 无色气体

物理属性

原子质量 14.007 u
密度 0.0012506 g/cm³
熔点 -210.0 °C
沸点 -195.8 °C
STP相态 Gas
原子半径 75.0 pm

电子属性

电负性 3.04
电离能 1402.3 eV
电子亲和能 -7.0 eV
价电子 5

电子构型

构型 [He] 2s² 2p³

Electron Shell Configuration

Nitrogen electron shell configuration N 2e⁻ 5e⁻

Position in Periodic Table

Nitrogen position in the periodic table N

发现

发现者: Daniel Rutherford
年份: 1772

Compounds Containing Nitrogen

更多非金属

Frequently Asked Questions

What is Nitrogen?
Nitrogen (N) is a chemical element with atomic number 7. It is a gas at standard temperature and pressure, classified as a 非金属.
What are the key properties of Nitrogen?
Nitrogen has an atomic mass of 14.007 u, density of 0.0012506 g/cm³, melting point of -210.0°C, boiling point of -195.8°C.
What is the electron configuration of Nitrogen?
The electron configuration of Nitrogen is [He] 2s2 2p3. It is in the p-block of the periodic table.
Who discovered Nitrogen?
Nitrogen was discovered by Daniel Rutherford in 1772.
What is the electronegativity of Nitrogen?
Nitrogen has an electronegativity of 3.04 on the Pauling scale.