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Atomic Number	42

Atomic Symbol	Mo

Atomic Weight	95.94 amu

Group	Transition, 6

Form	Solid

Density @ STP	10.2 g/cm³

Melting Point	2623 °C (4753.4 °F, 2896.15 °K)

Boiling Point	4639 °C (8382.2 °F, 4912.15 °K)

Heat of Fusion	37.48 kJ/mol

Heat of Vaporization	600 kJ/mol

First Ionization Potential	7.09243 eV

Electronegativity (on Pauling scale	2.16

Specific Heat Capacity	0.251 J/g K

Ground State Electron Configuration	4d⁵ 5s¹

Oxidation State(s)	+6

Stable Isotopes and Natural Abundance on Earth	⁹²Mo, 14.84%; ⁹⁴Mo, 9.25%; ⁹⁵Mo, 15.92%; ⁹⁶Mo, 16.68%; ⁹⁷Mo, 9.55%; ⁹⁸Mo, 24.13%; ¹⁰⁰Mo, 9.63%

Selected Radioisotopes	⁹⁹Mo

Atomic Radius	190 pm

Crystal Structure	Cubic

Discovered by	Scheele, 1781