MoZ =  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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