What is the atomic number of Aluminium?

The atomic number of Aluminium (Al) is 13.

What is the atomic mass of Aluminium?

The atomic mass of Aluminium is 26.982 atomic mass units (u).

What group and period is Aluminium in?

Aluminium is in period 3, group 13 of the periodic table. It is a post-transition element in the p-block.

How many valence electrons does Aluminium have?

Aluminium has 3 valence electron(s).

Aluminium (Al) — Atomic Number 13

Aluminium (Al) — Atomic Number 13Most abundant metal in Earth's crust, used in cans and aircraft.Aluminium Properties

Atomic Number: 13

Symbol: Al

Atomic Mass: 26.982 u

Category: post-transition

Group: 13

Period: 3

Block: p-block

Electron Configuration: 1s2 2s2 2p6 3s2 3p1

Valence Electrons: 3

Electronegativity: 1.61

Ionization Energy: 577.5 kJ/mol

Electron Affinity: 42.5 kJ/mol

Atomic Radius: 118.0 pm

Melting Point: 933.47 K

Boiling Point: 2792.0 K

Aluminium in the Periodic TableAluminium is a post-transition element located in period 3, group 13 of the periodic table. It has the chemical symbol Al and atomic number 13. The electron configuration of Aluminium is 1s2 2s2 2p6 3s2 3p1, giving it 3 valence electron(s).Interactive Aluminium LearningExplore Aluminium 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.