Mo | Z = 42 | ◊ ◊ ◊ ◊ ◊ |
Molybdenum | |
From the Greek "molybdos", meaning "lead-like" | ||||
(AM) Atomic Mass | 95.94 amu | ♦ | Oxidation States | +3, +5, +6 |
(BP) Boiling Point | 4612  °C | ♦ | (MP) Melting Point | 2617 °C |
(ρ) Density | 9.01 g/cm3 | ♦ | Crystal Structure | Body Centered Cubic |
( χ ) Electronegativity | 1.8 | ♦ | (AR) Atomic Radius | 1.45  Å |
Physical State | Solid | ♦ | (C) Heat Capacity | 0.251 J/g °C |
Electronic-Config | [Kr]  4d5  5s1  | ♦ | (I1) First Ionization E | 684.95 kJ/mol |
(ΔHvap) Heat of Vaporization | 617 kJ/mol | ♦ | (ΔHfus) Heat of Fusion | 37.48 kJ/mol |
Year of Discovery | 1781 | ♦ | Location of Discovery | Sweden |
(E°) Standard Potential | MoO2 + 4 H+⇔ Mo + 2 H2O (-0.150 V), H2MoO4 + 6 H+⇔ Mo + 4 H2O (0.110 V) | |||
Stable isotopes |  92Mo,  94Mo,  95Mo,  96Mo,  97Mo,  98Mo | |||
Discovered/Synthesized by | Carl Welhelm Scheele | |||
Natural Source | The mineral/ore molybdenite | |||
Common Uses | Hard steel, cutting tools, drill bits, armor plate, gun barrels, fertilizer | |||
Other Info | Used as a steel hardener Found in many enzymes in the human body |
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