15 P Phosphorus 30,974 u

Phosphorus

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Chu kỳ
3
Nhóm
15
Khối
p-khối
Pha (STP)
Solid

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

Ngoại quan: Waxy white (white phosphorus)

Tính chất vật lý

Khối lượng nguyên tử 30.974 u
Mật độ 1.82 g/cm³
Điểm nóng chảy 44.2 °C
Điểm sôi 280.6 °C
Pha ở STP Solid
Bán kính nguyên tử 98.0 pm

Tính chất điện tử

Độ âm điện 2.19
Năng lượng ion hóa 1011.8 eV
Ái lực electron 72.0 eV
Electron hóa trị 5

Cấu hình electron

Cấu hình [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

Khám phá

Được phát hiện bởi: Hennig Brand
Năm: 1669

Compounds Containing Phosphorus

Thêm Phi Kim

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 phi kim.
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.