MgZ =  12

Named after the Greek "Magnesia"
(AM) Atomic Mass 24.305  amu    Oxidation States +2
   (BP) Boiling Point 1090  °C    (MP) Melting Point 649  °C
   (ρ) Density 1.74  g/cm3    Crystal Structure Hexagonal
   ( χ ) Electronegativity 1.2    (AR) Atomic Radius 1.3  Å
   Physical State Solid (C) Heat Capacity 1.023  J/g °C
Electronic-Config [Ne]  3s2     (I1) First Ionization E 737.72  kJ/mol
   (ΔHvap) Heat of Vaporization 128  kJ/mol     (ΔHfus) Heat of Fusion 8.48  kJ/mol
   Year of Discovery 1755    Location of Discovery England
(E°) Standard Potential Mg2+⇔ Mg (-2.372 V)
Stable isotopes  24Mg,  25Mg,  26Mg
Discovered/Synthesized by Sir Humphry Davy
Natural Source The mineral/ore dolomite, magnesite, brucite, carnallite, and olivine Also seawater
Common Uses Aluminum alloys, cars, planes, bikes, flares, sparklers, antacids
Other Info One of top-ten elements in the Earth's Crust
Every chlorophyll molecule contains a magnesium ion
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