Padron:Infobox manganese

Manganese, 25Mn
A rough fragment of lustrous silvery metal
Pure manganese cube and oxidized manganese chips
Manganese
Bigkas /ˈmæŋɡənz/ (MANG--neez)
Appearancesilvery metallic
Standard atomic weight Ar°(Mn)
  • 54.938043±0.000002
  • 54.938±0.001 (pinaikli)[1][2]
Manganese sa talahanayang peryodiko
Hydrogen Helium
Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
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Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
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Mn

Tc
chromiummanganeseiron
Atomikong bilang (Z)25
Group7
Period4
Block  d-block
Electron configuration[Ar] 3d5 4s2
Electrons per shell2, 8, 13, 2
Physical properties
Phase at STPsolido
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 states−3, −2, −1, 0, +1, +2, +3, +4, +5, +6, +7 (depende sa katayuan ng oksidasyon, isang asidiko, panimla, o anpoterong oksido)
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
Mga linyang espektral ng manganese
Other properties
Natural occurrenceprimordiyal
Crystal structureα-Mn: ​body-centered cubic (bcc) (cI58)
Lattice constant
Body-centered cubic crystal structure for α-Mn: manganese
a = 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)[4]
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[5] 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
Kategorya Kategorya: Manganese
| references
Mn · Manganese
Cr ←

ibox Cr

iso25 Mn  [e]
IB-Mn [e]
IBisos [e]
→ Fe

ibox Fe

indexes by PT (page)
child table, as reused in {IB-Mn}
Main isotopes of manganese
Main isotopes[5] 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
Top image (caption, alt)
Pronunciation
Allotropes (demo)
Group (demo)
Period (demo)
Block (demo)
Standard atomic weight
  most stable isotope
Natural occurrence
Phase at STP
Oxidation states
Spectral lines image
Electron configuration (cmt, ref)
Wikidata *
Symbol etymology (11 non-trivial)
* Not used in {{Infobox element}} (2021-12-24)
See also Kategorya:Infobox element data sets (0)

Talababa

  1. "Standard Atomic Weights: Manganese" (sa wikang Ingles). CIAAW. 2017.
  2. Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. (2022-05-04). "Standard atomic weights of the elements 2021 (IUPAC Technical Report)". Pure and Applied Chemistry (sa wikang Ingles). doi:10.1515/pac-2019-0603. ISSN 1365-3075.
  3. 3.0 3.1 3.2 Arblaster, John W. (2018). Selected Values of the Crystallographic Properties of Elements. Materials Park, Ohio: ASM International. ISBN 978-1-62708-155-9.
  4. Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.
  5. 5.0 5.1 Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S.; Audi, G. (2021). "The NUBASE2020 evaluation of nuclear properties" (PDF). Chinese Physics C. 45 (3): 030001. doi:10.1088/1674-1137/abddae.

Padron:Infobox manganese

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