12 Mg Magnesium (plaintext) | |
H He | |
Li Be B C N O F Ne | |
Na[Mg] Al Si P S Cl Ar | |
K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr | |
Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe | |
Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn | |
Fr Ra Ac Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og | |
Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu | |
Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr | |
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| 12 __ __ | | |
| | \/ | __ _ | | |
| | |\/| |/ _` | | | |
| | | | | (_| | | | |
| |_| |_|\__, | | | |
| |___/ | | |
| Magnesium | | |
| 24.305 u | | |
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Wiki Article: Magnesium | |
Electron Configuration: [Ne]3s2 | |
Electronegativity: 1.31 | |
Atomic Radius: 173 pm | |
Ionization Energy: 7.646 eV | |
Electron Affinity: | |
Oxidation States: 2 | |
Standard State: Solid | |
Melting Point: 923 K | |
Boiling Point: 1363 K | |
Density: 1.74 g/cm3 | |
Family: Alkaline earth metal | |
Year Discovered: 1808 | |
Number of Neutrons: 12 | |
Number of Protons: 12 | |
Number of Electrons: 12 | |
Number of Valence: 2 | |
Valency: 2 | |
Group: 2 | |
Period: 3 | |
Shell: s-shell | |
Specific Heat: 1.023 J/g K | |
Radioactive: 0 | |
Occurrence: Natural | |
Source: Dying high-mass stars |