Template:Infobox manganese

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

Manganese, 25Mn
A rough fragment of lustrous silvery metal
Manganese
Pronunciation/ˈmæŋɡənz/ (Template:Respell)
Appearancesilvery metallic
Standard atomic weight Ar, std(Mn)Template:Val[1]
Manganese in the periodic table
Template:Periodic table (32 columns, micro)

Mn

Tc
chromiummanganeseiron
Atomic number (Z)25
Groupgroup 7
Periodperiod 4
Block  d-block
Electron configuration[Ar] 3d5 4s2
Electrons per shell2, 8, 13, 2
Physical properties
Phase at STPsolid
Melting point1519 K ​(1246 °C, ​2275 °F)
Boiling point2334 K ​(2061 °C, ​3742 °F)
Density (near r.t.)7.21 g/cm3
when liquid (at m.p.)5.95 g/cm3
Heat of fusion12.91 kJ/mol
Heat of vaporization221 kJ/mol
Molar heat capacity26.32 J/(mol·K)
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 1228 1347 1493 1691 1955 2333
Atomic properties
Oxidation states−3, −2, −1, 0, +1, +2, +3, +4, +5, +6, +7 (depending on the oxidation state, an acidic, basic, or amphoteric oxide)
ElectronegativityPauling scale: 1.55
Ionization energies
  • 1st: 717.3 kJ/mol
  • 2nd: 1509.0 kJ/mol
  • 3rd: 3248 kJ/mol
  • (more)
Atomic radiusempirical: 127 pm
Covalent radiusLow spin: 139±5 pm
High spin: 161±8 pm
Color lines in a spectral range
Spectral lines of manganese
Other properties
Natural occurrenceprimordial
Crystal structurebody-centered cubic (bcc)
Body-centered cubic crystal structure for manganese
Speed of sound thin rod5150 m/s (at 20 °C)
Thermal expansion21.7 µm/(m·K) (at 25 °C)
Thermal conductivity7.81 W/(m·K)
Electrical resistivity1.44 µΩ·m (at 20 °C)
Magnetic orderingparamagnetic
Magnetic susceptibility(α) +529.0·10−6 cm3/mol (293 K)[2]
Young's modulus198 GPa
Bulk modulus120 GPa
Mohs hardness6.0
Brinell hardness196 MPa
CAS Number7439-96-5
History
DiscoveryCarl Wilhelm Scheele (1774)
First isolationJohann Gottlieb Gahn (1774)
Main isotopes of manganese
[[Isotope|IsoTemplate:Shytope]] [[Natural abundance|AbunTemplate:Shydance]] Half-life (t1/2) Decay mode [[Decay product|ProTemplate:Shyduct]]
52Mn syn 5.6 d ε 52Cr
β+ 52Cr
γ
53Mn trace 3.74×106 y ε 53Cr
54Mn syn 312.03 d ε 54Cr
γ
55Mn 100% stable
Category Category: Manganese
| references

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

data m.p. cat
in calc from C diff report ref
C 1246
K 1519 1519 0
F 2275 2275 0 Template:Subpage other
max precision 0
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input C: 1246, K: 1519, F: 2275
comment
data b.p. cat
in calc from C diff report ref
C 2061
K 2334 2334 0
F 3742 3742 0 Template:Subpage other
max precision 0
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input C: 2061, K: 2334, F: 3742
comment
Cr ←

i'box Cr

iso
25
Mn (E)
→ Fe

i'box Fe

  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. Meija, Juris; et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry. 88 (3): 265–91. doi:10.1515/pac-2015-0305.
  2. Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.

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