NEET Chemistry

Manganese: electronic configuration and properties

Manganese has atomic number 25 and electronic configuration [Ar] 3d5 4s2. Explore its periodic behaviour and open the interactive atom model.

Open Manganese in 3D

Key properties of Manganese

Symbol
Mn
Atomic number
25
Atomic mass
54.938045(5)
Family
transition metal
Electronic configuration
[Ar] 3d5 4s2
Shell distribution
2, 8, 13, 2
Oxidation states
-3, -2, -1, 1, 2, 3, 4, 5, 6, 7
Standard state
solid

Periodic behaviour

Atomic radius: 139 pm. Electronegativity: 1.55. First ionisation energy: 717 kJ/mol. Use these values comparatively across a period or group rather than memorising them in isolation.

NEET exam focus

For NEET, prioritise the NCERT electronic configuration, periodic position, common oxidation states, and direct trend-based comparisons involving Manganese.

Related transition metal elements

Frequently asked questions

What is the electronic configuration of Manganese?

Manganese has electronic configuration [Ar] 3d5 4s2, with shell distribution 2, 8, 13, 2.

What are the oxidation states of Manganese?

The listed oxidation states are -3, -2, -1, 1, 2, 3, 4, 5, 6, 7.

How can I view the Manganese atom in 3D?

PracticeNEET's interactive periodic table provides a rotatable schematic atom with accurate electron populations by shell.