15 P Phosphorus 30.974 u

Phosphorus

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周期
3
15
ブロック
p-ブロック
相 (STP)
Solid

Phosphorus is essential for life, found in DNA, RNA, and ATP. It exists in several allotropic forms including white and red phosphorus.

外観: 蝋状の白色(白リン)

物理的特性

原子質量 30.974 u
密度 1.82 g/cm³
融点 44.2 °C
沸点 280.6 °C
STPにおける相 Solid
原子半径 98.0 pm

電子的特性

電気陰性度 2.19
イオン化エネルギー 1011.8 eV
電子親和力 72.0 eV
価電子 5

電子配置

配置 [Ne] 3s² 3p³

Electron Shell Configuration

Phosphorus electron shell configuration P 2e⁻ 8e⁻ 5e⁻

Position in Periodic Table

Phosphorus position in the periodic table P

発見

発見者: Hennig Brand
年: 1669

Compounds Containing Phosphorus

非金属 をもっと見る

Frequently Asked Questions

What is Phosphorus?
Phosphorus (P) is a chemical element with atomic number 15. It is a solid at standard temperature and pressure, classified as a 非金属.
What are the key properties of Phosphorus?
Phosphorus has an atomic mass of 30.974 u, density of 1.82 g/cm³, melting point of 44.2°C, boiling point of 280.6°C.
What is the electron configuration of Phosphorus?
The electron configuration of Phosphorus is [Ne] 3s2 3p3. It is in the p-block of the periodic table.
Who discovered Phosphorus?
Phosphorus was discovered by Hennig Brand in 1669.
What is the electronegativity of Phosphorus?
Phosphorus has an electronegativity of 2.19 on the Pauling scale.