Sunday, August 12, 2007

Manganês www.tool-tool.com

Bewise Inc. www.tool-tool.com Reference source from the internet.
Crom - Manganês - Fier
Mn
Tc

tabele periodiche, Manganês
Carateristichis gjenerâls
Non, Simbul chimic, Numar atomic Manganês, Mn, 25
Serie chimiche Metai dal bloc d
Gruppo, Periodo 7, 4
Densitât , Durece 7470 kg/m3, 6,0
Aspiet arint, metalic
Aspiet dal Manganês
Proprietâts atomichis
Pês atomic 54,938049 amu
Rai atomic (calc.) 140 (161) pm
Rai covalent 139 pm
Rai di van del Waals nissun dât
Configurazion eletroniche [Ar]3d54s2
e- par nivel energjetic 2, 8,13,2
Stâts di ossidazion 7,6,4,2,3 (Acit fuart)
Struture cristaline cubiche a cuarp centrât
Proprietâts fisichis
Stât de materie solit
(magnetisim)
Pont di fusion 1517 K (1244°C)
Pont di bolidure 2235 K (1962°C)
Volum molâr 7,35 × 10-6 m3/mol
Calôr di evaporazion 226 kJ/mol
Calôr di fusion 12,05 kJ/mol
Tension dal vapôr 121 Pa a 1517 K
Velocitât dal sun 5150 m/s at 293.15 K
Varis
Eletronegativitât 1,55 (Scjale di Pauling)
Calôr specific 480 J/(kg*K)
Conducibilitât eletriche 0,695 × 106/(m·ohm)
Conducibilitât termiche 7,82 W/(m*K)
Energje di prime ionizazion 717,3 kJ/mol
Energjie di seconde ionizazion 1509 kJ/mol
Energjie di tierce ionizazion 3248 kJ/mol
Energjie di cuarte ionizazion 4940 kJ/mol
Energjie di cuinte ionizazion 6990 kJ/mol
Energjie di seste ionizazion 9220 kJ/mol
Energjie di setime ionizazion 11500 kJ/mol
Isotops plui stabii
iso NA TD DM DE DP
52Mn sintetic 5,591 diis ε 4.712 52Cr
53Mn sintetic 3,74 milions
di agns
ε 0.597 53Cr
54Mn sintetic 312,3 diis ε
β-
1.377
0,697
54Cr
54Fe
55Mn 100% Mn al è stabil cun 30 neutrons

iso = isotop
NA = abondance in nature
TD = timp di decjadiment
DM = modalitât di decjadiment
DE = energjie di decjadiment in MeV
DP = prodot di decjadiment


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