Magnesium Element Properties

Magnesium

s11
Na
Sodium
s12
Mg
Magnesium
p13
Al
Aluminium
General
Name(Magnesium)
Symbol(Mg)
Number(12)
Group Number(2)
Group(Alkali earth metals)
Block(s)
Density(1.738 g/cm3)
Atomic Weight(24.305 g/mol)
Atomic Volume(13.97 cm3/mol)
Discover(1808)


States
State(Solid)
Melting Point(923 K)
Boiling Point(1363 K)
Triple Point(Nil)
Critical Point(Nil)
Heat of Fusion(8.48 kJ/mol)
Heat of Vaporization(128 kJ/mol)


Energies
First Ionization Energy(737.7 kJ/mole)
Second Ionization Energy(1450.6 kJ/mole)
Third Ionization Energy(7732.6 kJ/mole)
Electronegativity(1.31)
Electron Affinity(Nil)
Specific Heat(1.02 J/gK)
Heat Atomization(148 kJ/mole atoms)


Oxidation and Electrons
Shells(2,8,2)
Electron Configuration([Ne] 3s2)
Minimum Oxidation Number(0)
Maximum Oxidation Number(2)
Minimum Common Oxidation Number(0)
Maximum Common Oxidation Number(2)


Appearance and Characteristics
Crystal Structure(hexagonal)
Characteristics(burns brightly)
Color(silvery)
Uses(alloys, flash bulbs)
Hardness(2 mohs)
Toxicity(None)


Reactions
Reaction with Air(vigorous,w/ht =>MgO,Mg3N2)
Reaction with 6M HCl(mild, =>H2, MgCl2)
Reaction with 15M HNO3(vigorous, =>NOx, Mg(NO3)2)
Reaction with 6M NaOH(None)


Other Forms
Number of Isotopes(3)
Hydride(MgH2)
Oxide(MgO)
Chloride(MgCl2)


Radius
Atomic Radius(160 pm)
Ionic Radius (1+ ion)(Nil)
Ionic Radius (1- ion)(Nil)
Ionic Radius (2+ ion)(86 pm)
Ionic Radius (2- ion)(Nil)
Ionic Radius (3+ ion)(Nil)


Conductivity
Thermal Conductivity(156 J/m-sec-deg)
Electrical Conductivity(224.719 1/mohm-cm)
Polarizability(10.6 A3)


Abundance
Source(Seawater, magnesite)
Relation Abundance Solar System(6.031 log)
Abundance Earths Crust(4.4 log)


s11
Na
Sodium
s12
Mg
Magnesium
p13
Al
Aluminium

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