← Periodic Table
25
d🧱
Mn
54.9380

Manganese

Transition Metal

Atomic Properties

Atomic Number
25
Atomic Mass
54.9380 u
Electron Configuration
[Ar] 3d5 4s2
Electronegativity
1.55
Block
d-block
Group
7
Period
4

🌡 Physical Properties

Phase (STP)
solid
Melting Point
1519.00 K
Boiling Point
2334.00 K
Density
7.2100 g/cm³

About Manganese

Essential trace element; used in steel production and batteries.

🔬 Isotopes of Manganese

Manganese has 1 naturally occurring isotope.

IsotopeMass NumberAtomic Mass (u)AbundanceType
55Mn5554.93804391100.00%Stable

Data source: NIH PubChem (aggregated from IUPAC, NIST)