Properties of Manganese

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Property	Unit	Value
Name	-	Manganese
Abbrevation	-	Mn
Atomic Number	-	25
Group	-	TM
Heat of Fusion	Kcal/g-mole	2.88
Heat of Vaporization	Kcal/g-mole	54.19
Molecular Weight	g/g-mole	54.93805
Melting Point	�C	1245.85
Boiling Point	�C	2059
Refractive Index	-	2.49
Critical Temperature	�C	5776.9
Critical Pressure	atm	N/A
Critical Volume	cm�/g-mol	N/A
Atomic Volume	cm�/g-mol	7.35
Atomic Radii (Bragg-Slater)	pm	N/A
Atomic Radii (Covalent)	pm	139
Atomic Radii (Van der Walls)	pm	140
Density	g/cm�	7.43000
Oxidation State	-	2,1,3,4,6,7
Electron Configuration	-	[Ar]3d5 4s2
Electron Affinity (Theory)	KJ/g-mol	N/A
Electron Affinity (Exp)	KJ/g-mol	N/A
Electronegativity (Pauling)	-	1.55
Electronegativity (Sanderson)	-	1.44
Electronegativity (Allred_Rochow)	-	1.60
Surface Tension @BP	dyn/cm	1100.0
NMR Frequencies of Nuclei	MHz	24.664
Discovery Date	-	1774
Electric Resistivity	mohm-cm	185
Linear Thermal Expansion Coefficient	1E-6 cm/cm/�C	22
Neutron Capture Cross Section	barns	13.3
Thermal Conductivity	W/m/K	7.82
Magnetic Susceptibility	1e-9 m�/kg	121
Abundance, (Sun)	log(atoms/1E12 atoms H)	5.4
Abundance, (Meteorite)	log(atoms/atoms)	5.79
Abundance, (Earth)	log(pbbw)	5.86
Abundance, (Crust)	log(pbbw)	6.1
Abundance, (Ocean)	log(1E-12 mol/kg)	2.7
Abundance, (Body)	log(ppmw)	1
Electrical Conductivity	%IACS	0.9
Electrical Resistance	-	185
Photoelectric Work Function	eV	3.83
Hall's Coefficient	1E-12* volt-cm/amp-Oe	N/A
Electrochemical Equivalent	mg/coulomb	0.28461
Young's Modulus of Elasticity	1E-6 kg/cm�	2.02
Shear Modulus	1E-6 kg/cm�	0.78
Bulk Modulus	1E-6 kg/cm�	0.6083
Poisson's Ratio	-	0.24
Hardness	-	5
Hardness Unit	-	MOHS

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