42
Mo
molybdenum
95.95

General properties

Group
group 6
Period
period 5
Category
transition metals
Standard atomic weight
95.95(1)
Melting point
2896 K (2623 °C)
Boiling point
4912 K (4639 °C)
Phase at STP
solid

Additional properties

Block
d-block
Electron configuration
[Kr] 4d⁵ 5s¹
Electrons per shell
2, 8, 18, 13, 1
Electronegativity
2.16
Density
10.28 g/cm³
Oxidation states
−4, −2, −1, 0, +1, +2, +3, +4, +5, +6 (a strongly oxide)
CAS Number
7439-98-7