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manganès ← fèrre → cobalt

manganès ← fèrre → cobalt - ↑ Fe ↓ Ru Taula periodica
Generalitats
Nom, Simbòl, Numero	fèrre, Fe, 26
Tièra quimica	metals de transicion
Grop, Periòde, Blòc	8, 4, d
Aparéncia	lustrous metallic with a grayish tinge
Massa atomica	55.845(2) g/mol
Configuracion electronica	[Ar] 3d6 4s2
Electrons per nivèl energetic	2, 8, 14, 2
Proprietats fisicas
Fasa	solid
Densitat (temperatura ambienta)	7.86 g/cm³
Densitat liquida al punt de fusion	6.98 g/cm³
Punt de fusion	1811 K (1538 °C, 2800 °F)
Punt d'ebullicion	3134 K (2861 °C, 5182 °F)
Calor de fusion	13.81 kJ/mol
Calor de vaporizacion	340 kJ/mol
Capacitat calorifica	(25 °C) 25.10 J/(mol·K)
Pression de vapor P/Pa 1 10 100 1 k 10 k 100 k a T/K 1728 1890 2091 2346 2679 3132
Proprietats atomicas
Estructura cristallina	cubica de fàcia centrada
Estat d'oxidacion	2, 3, 4, 6 (oxid amfotèr)
Electronegativitat	1.83 (Escala de Pauling)
Potencials d'ionizacion (mai)	1èr : 762.5 kJ/mol
	2nd : 1561.9 kJ/mol
	3en : 2957 kJ/mol
Rai atomic	140 pm
Rai atomic calculat	156 pm
Rai covalent	125 pm
Informacions divèrsas
Magnetisme	ferromagnetic
Resistivitat electrica	(20 °C) 96.1 nΩ·m
Conductivitat termica	(300 K) 80.4 W/(m·K)
Dilatacion termica	(25 °C) 11.8 µm/(m·K)
Velocitat del son	(a temperatura ambienta) (electrolytic) 5120 m/s
Modul de Young	211 GPa
Shear modulus	82 GPa
Modul de Bulk	170 GPa
Coeficient de Poisson	0.29
Duretat de Mohs	4.0
Vickers hardness	608 MPa
Duretat de Brinell	490 MPa
Numèro CAS	7439-89-6
Isotòps mai estables
Article : Isotòps del (de l') fèrre iso NA Mièja vida MD ED (MeV) PD 54Fe 5.8% Fe es estable amb 28 neutrons 55Fe syn 2.73 y ε capture 0.231 55Mn 56Fe 91.72% Fe es estable amb 30 neutrons 57Fe 2.2% Fe es estable amb 31 neutrons 58Fe 0.28% Fe es estable amb 32 neutrons 59Fe syn 44.503 d β 1.565 59Co 60Fe syn 1.5E6 y β- 3.978 60Co
Reférencias

Lo fèrre (reg. hèr)...

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