Template:Infobox magnesium

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[[Category:Template:Pagetype with short description]]

Magnesium, 12Mg
CSIRO ScienceImage 2893 Crystalised magnesium.jpg
Magnesium
Pronunciation/mæɡˈnziəm/ (Template:Respell)
Appearanceshiny grey solid
Standard atomic weight Ar, std(Mg)[[[:Template:Val]], Template:Val] conventional: Template:Val
Magnesium in the periodic table
Template:Periodic table (32 columns, micro) Be

Mg

Ca
sodiummagnesiumaluminium
Atomic number (Z)12
Groupgroup 2 (alkaline earth metals)
Periodperiod 3
Block  s-block
Electron configuration[Ne] 3s2
Electrons per shell2, 8, 2
Physical properties
Phase at STPsolid
Melting point923 K ​(650 °C, ​1202 °F)
Boiling point1363 K ​(1091 °C, ​1994 °F)
Density (near r.t.)1.738 g/cm3
when liquid (at m.p.)1.584 g/cm3
Heat of fusion8.48 kJ/mol
Heat of vaporization128 kJ/mol
Molar heat capacity24.869[1] J/(mol·K)
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 701 773 861 971 1132 1361
Atomic properties
Oxidation states+1,[2] +2 (a strongly basic oxide)
ElectronegativityPauling scale: 1.31
Ionization energies
  • 1st: 737.7 kJ/mol
  • 2nd: 1450.7 kJ/mol
  • 3rd: 7732.7 kJ/mol
  • (more)
Atomic radiusempirical: 160 pm
Covalent radius141±7 pm
Van der Waals radius173 pm
Color lines in a spectral range
Spectral lines of magnesium
Other properties
Natural occurrenceprimordial
Crystal structurehexagonal close-packed (hcp)
Hexagonal close packed crystal structure for magnesium
Speed of sound thin rod4940 m/s (at r.t.) (annealed)
Thermal expansion24.8[3] µm/(m·K) (at 25 °C)
Thermal conductivity156[4] W/(m·K)
Electrical resistivity43.9[5] nΩ·m (at 20 °C)
Magnetic orderingparamagnetic
Magnetic susceptibility+13.1·10−6 cm3/mol (298 K)[6]
Young's modulus45 GPa
Shear modulus17 GPa
Bulk modulus35.4[7] GPa
Poisson ratio0.290
Mohs hardness1–2.5
Brinell hardness44–260 MPa
CAS Number7439-95-4
History
Namingafter Magnesia, Greece[8]
DiscoveryJoseph Black (1755[8])
First isolationHumphry Davy (1808[8])
Main isotopes of magnesium
[[Isotope|IsoTemplate:Shytope]] [[Natural abundance|AbunTemplate:Shydance]] Half-life (t1/2) Decay mode [[Decay product|ProTemplate:Shyduct]]
24Mg 79.0% stable
25Mg 10.0% stable
26Mg 11.0% stable
Category Category: Magnesium
| references

[[Category:Infobox templates|Template:Remove first word]]

data m.p. cat
in calc from C diff report ref
C 650
K 923 923 0
F 1202 1202 0 Template:Subpage other
max precision 0
WD Template:Wikidata Script error: No such module "EditAtWikidata". Template:Wikidata
input C: 650, K: 923, F: 1202
comment
data b.p. cat
in calc from C diff report ref
C 1091
K 1363 1364 -1 delta
F 1994 1996 -2 delta Template:Subpage other
max precision 0
WD Template:Wikidata Script error: No such module "EditAtWikidata". Template:Wikidata
input C: 1091, K: 1363, F: 1994
comment
Na ←

i'box Na

iso
12
Mg (E)
→ Al

i'box Al

  Data sets read by {{Infobox element}}
Name and identifiers
Top image (caption, alt)
Pronunciation
Category (enwiki)
Standard atomic weight
  most stable isotope
Natural occurrence
Phase at STP
Oxidation states
Spectral lines image
Electron configuration (cmt, ref)
Term symbol * (cmt, ref)
Wikidata *
* Not used in {{Infobox element}} (2019-02-03)
See also {{Infobox element/symbol-to--navbox}}

References

  1. Rumble, p. 4.61
  2. Bernath, P. F.; Black, J. H.; Brault, J. W. (1985). "The spectrum of magnesium hydride" (PDF). Astrophysical Journal. 298: 375. Bibcode:1985ApJ...298..375B. doi:10.1086/163620. Unknown parameter |name-list-style= ignored (help)
  3. Rumble, p. 12.135
  4. Rumble, p. 12.137
  5. Rumble, p. 12.28
  6. Rumble, p. 4.70
  7. Gschneider, K. A. (1964). Physical Properties and Interrelationships of Metallic and Semimetallic Elements. Solid State Physics. 16. p. 308. doi:10.1016/S0081-1947(08)60518-4. ISBN 9780126077162.
  8. 8.0 8.1 8.2 Rumble, p. 4.19

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