Template:Infobox manganese

Manganese, ₂₅Mn

Manganese
Pronunciation	/ˈmæŋɡəniːz/ ​(MANG-gə-neez)
Appearance	silvery metallic
Standard atomic weight Ar, std(Mn)	54.938043(2)
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
Group	group 7
Period	period 4
Block	d-block
Element category	d-block
Electron configuration	[Ar] 3d5 4s2
Electrons per shell	2, 8, 13, 2
Physical properties
Phase at STP	solid
Melting point	1519 K ​(1246 °C, ​2275 °F)
Boiling point	2334 K ​(2061 °C, ​3742 °F)
Density (near r.t.)	7.21 g/cm3
when liquid (at m.p.)	5.95 g/cm3
Heat of fusion	12.91 kJ/mol
Heat of vaporization	221 kJ/mol
Molar heat capacity	26.32 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)
Electronegativity	Pauling scale: 1.55
Ionization energies	1st: 717.3 kJ/mol 2nd: 1509.0 kJ/mol 3rd: 3248 kJ/mol (more)
Atomic radius	empirical: 127 pm
Covalent radius	Low spin: 139±5 pm High spin: 161±8 pm
Spectral lines of manganese
Other properties
Natural occurrence	primordial
Crystal structure	​body-centered cubic (bcc)
Speed of sound thin rod	5150 m/s (at 20 °C)
Thermal expansion	21.7 µm/(m·K) (at 25 °C)
Thermal conductivity	7.81 W/(m·K)
Electrical resistivity	1.44 µΩ·m (at 20 °C)
Magnetic ordering	paramagnetic
Magnetic susceptibility	(α) +529.0·10−6 cm3/mol (293 K)
Young's modulus	198 GPa
Bulk modulus	120 GPa
Mohs hardness	6.0
Brinell hardness	196 MPa
CAS Number	7439-96-5
History
Discovery	Carl Wilhelm Scheele (1774)
First isolation	Johann Gottlieb Gahn (1774)
Main isotopes of manganese
Iso­tope Abun­dance Physics:Half-life (t1/2) Decay mode Pro­duct 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

Mn data m.p. cat
	in	calc from C	diff	report	ref
C	1246	—	—
K	1519	1519	0
F	2275	2275	0
max precision	0
WD
input	C: 1246, K: 1519, F: 2275
comment

Mn data b.p. cat
	in	calc from C	diff	report	ref
C	2061	—	—
K	2334	2334	0
F	3742	3742	0
max precision	0
WD
input	C: 2061, K: 2334, F: 3742
comment

PTChemistry:manganese

Cr ← i'box Cr	iso25Mn  infobox  isobox	→ Fe i'box Fe
Commons  Wikidata:Q731  Wiktionary Indexes in PT: § below · Page

[]  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
Chemistry:Oxidation states
Spectral lines image
Physics: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

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