Periodic table of the elements
NiobiumMolybdenumTechnetium
42
Mo
Molybdenum
95.94
2
8
18
13
1
42
Mo
Molybdenum
95.94
2
8
18
13
1
General
NameMolybdenum
SymbolMo
Number42
Chemical seriesTransition elements
Group / Period6 / 5
Blockd-block
CAS registry number7439-98-7

Physical properties
Statesolid
Density10.28 g/cm3
Melting point2896 K (2623 °C, 4753 °F)
Boiling point4912 K (4639 °C, 8382 °F)
Critical point

Atomic properties
Atomic Weight95.94 g/mol
Crystal structurecubic body centered
Electronegativity2.16
Atomic radius145 pm
Atomic radius (calculated)190 pm
Electron configuration[Kr] 4d5 5s1
Electrons per shell2, 8, 18, 13, 1
Number of protons42
Number of neutrons54

Other languages
SpanishMolibdeno
PortugueseMolibdénio
FrenchMolybdène
GermanMolybdän
ItalianMolibdeno
RussianМолибден
PolishMolibden
Chinese
Arabicموليبدنوم
TurkishMolibden
DutchMolybdeen


Periodic table of the elements
NiobiumMolybdenumTechnetium