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Template:Infobox manganese

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Manganese, 25Mn
A rough fragment of lustrous silvery metal
Pure manganese cube and oxidized manganese chips
Manganese
Pronunciation/ˈmæŋɡəniːz/ ​(MANG-gə-neez)
Appearancesilvery metallic
Standard atomic weight Ar°(Mn)
Manganese in the periodic table
Hydrogen Helium
Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon
Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon
Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon
Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson
–
↑
Mn
↓
Tc
chromium ← manganese → iron
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 (at 20° C)7.476 g/cm3 [3]
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 statescommon: +2, +4, +7
−3,[4] −2,[5][4] −1,[4] 0,[4] +1,[4] +3,[4] +5,[4] +6[4]
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 structureα-Mn: ​body-centered cubic (bcc) (cI58)
Lattice constanta = 891.16 pm (at 20 °C)[3]
Thermal expansion23.61×10−6/K (at 20 °C)[3]
Thermal conductivity7.81 W/(m⋅K)
Electrical resistivity1.44 µΩ⋅m (at 20 °C)
Magnetic orderingparamagnetic
Molar magnetic susceptibility(α) +529.0×10−6 cm3/mol (293 K)[6]
Young's modulus198 GPa
Bulk modulus120 GPa
Speed of sound thin rod5150 m/s (at 20 °C)
Mohs hardness6.0
Brinell hardness196 MPa
CAS Number7439-96-5
History
DiscoveryCarl Wilhelm Scheele (1774)
First isolationJohann Gottlieb Gahn (1774)
Isotopes of manganese
Main isotopes[7] Decay
abun­dance half-life (t1/2) mode pro­duct
52Mn synth 5.591 d β+ 52Cr
53Mn trace 3.7×106 y ε 53Cr
54Mn synth 312.081 d ε 54Cr
β− 54Fe
β+ 54Cr
55Mn 100% stable
File:Symbol category class.svg Category: Manganese
| references
child table, as reused in {IB-Mn}
Main isotopes of manganese
Main isotopes[7] Decay
abun­dance half-life (t1/2) mode pro­duct
52Mn synth 5.591 d β+ 52Cr
53Mn trace 3.7×106 y ε 53Cr
54Mn synth 312.081 d ε 54Cr
β− 54Fe
β+ 54Cr
55Mn 100% stable
Data sets read by {{Infobox element}}
Name and identifiers
Symbol etymology (11 non-trivial)
Top image (caption, alt) caption:

alt:
Pronunciation
Allotropes (overview)
Group (overview)
Period (overview)
Block (overview)
Natural occurrence
Phase at STP
Oxidation states
Spectral lines image
Electron configuration (cmt, ref)
Isotopes
Standard atomic weight
  most stable isotope
File:Notification-icon-Wikidata-logo.svg Wikidata
Wikidata *
* Not used in {{Infobox element}} (2023-01-01)
See also {{Index of data sets}} · Cat:data sets (0) · (this table:
)

References

These references will appear in the article, but this list appears only on this page.
  1. ↑ Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).
  2. ↑ Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).
  3. ↑ 3.0 3.1 3.2 Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).
  4. ↑ 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).
  5. ↑ Mn(–2) is known in Mn(cod)2−2; see Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).
  6. ↑ Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).
  7. ↑ 7.0 7.1 Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).

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