What is the atomic number of Phosphorus?

The atomic number of Phosphorus (P) is 15.

What is the atomic mass of Phosphorus?

The atomic mass of Phosphorus is 30.974 atomic mass units (u).

What group and period is Phosphorus in?

Phosphorus is in period 3, group 15 of the periodic table. It is a nonmetal element in the p-block.

How many valence electrons does Phosphorus have?

Phosphorus has 5 valence electron(s).

Phosphorus (P) — Atomic Number 15

Phosphorus (P) — Atomic Number 15Essential for DNA, ATP, bones and fertilizers.Phosphorus Properties

Atomic Number: 15

Symbol: P

Atomic Mass: 30.974 u

Category: nonmetal

Group: 15

Period: 3

Block: p-block

Electron Configuration: 1s2 2s2 2p6 3s2 3p3

Valence Electrons: 5

Electronegativity: 2.19

Ionization Energy: 1011.8 kJ/mol

Electron Affinity: 72.0 kJ/mol

Atomic Radius: 98.0 pm

Melting Point: 317.3 K

Boiling Point: 550.0 K

Phosphorus in the Periodic TablePhosphorus is a nonmetal element located in period 3, group 15 of the periodic table. It has the chemical symbol P and atomic number 15. The electron configuration of Phosphorus is 1s2 2s2 2p6 3s2 3p3, giving it 5 valence electron(s).Interactive Phosphorus LearningExplore Phosphorus in interactive 3D with the Soren Periodic Table. View Bohr model, quantum orbital model, nucleus inspector, and phase lab with temperature and pressure controls. Includes fun facts, real-world uses, and NCTB curriculum integration for Bangladeshi students.