Phosphorus (P) Properties and Facts

Element 15 - Nonmetal

What are the basic properties of Phosphorus?

Phosphorus (symbol: P) is a nonmetal with atomic number 15. Its atomic mass is 30.974 u, and it belongs to period 3 and group 15.

What is the electron configuration of Phosphorus?

The electron configuration is: 1s² 2s² 2p⁶ 3s² 3p³

What are the physical properties of Phosphorus?

Melting point: 317.3 K
Boiling point: 550.0 K
Density: 1.82 g/cm³

What are the known isotopes of Phosphorus?

  • P-31: 100.0% abundance

What is the biological role and occurrence of Phosphorus?

Biological role: Essential for DNA, RNA, and ATP in organisms
Natural occurrence: Found in phosphate rocks

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