Niobium (Nb)

A fascinating transition metal element.

Niobium is element 41 on the periodic table.

Element properties

Atomic number

41

Symbol

Nb

Atomic mass

92.906 u

Category

Transition Metal

Period

5

Group

5

Block

d

State

Solid

Electron configuration

[Kr] 4d4 5s1

Electronegativity (Pauling)

1.6

Density

8.57 g/cm³

Melting point

2477 °C

Boiling point

4744 °C