← Periodic Table
41
d🧱
Nb
92.9060

Niobium

Transition Metal

Atomic Properties

Atomic Number
41
Atomic Mass
92.9060 u
Electron Configuration
[Kr] 4d4 5s1
Electronegativity
1.60
Block
d-block
Group
5
Period
5

🌡 Physical Properties

Phase (STP)
solid
Melting Point
2750.00 K
Boiling Point
5017.00 K
Density
8.5700 g/cm³

About Niobium

Superconducting metal; used in MRI machines and jet engines.

🔬 Isotopes of Niobium

Niobium has 1 naturally occurring isotope.

IsotopeMass NumberAtomic Mass (u)AbundanceType
93Nb9392.906373100.00%Stable

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