Properties of Holmium

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Property	Unit	Value
Name	-	Holmium
Abbrevation	-	Ho
Atomic Number	-	67
Group	-	RE
Heat of Fusion	Kcal/g-mole	2.91
Heat of Vaporization	Kcal/g-mole	58.16
Molecular Weight	g/g-mole	164.93032
Melting Point	�C	1474
Boiling Point	�C	2691
Refractive Index	-	N/A
Critical Temperature	�C	N/A
Critical Pressure	atm	N/A
Critical Volume	cm�/g-mol	N/A
Atomic Volume	cm�/g-mol	18.74
Atomic Radii (Bragg-Slater)	pm	N/A
Atomic Radii (Covalent)	pm	N/A
Atomic Radii (Van der Walls)	pm	N/A
Density	g/cm�	8.79500
Oxidation State	-	3
Electron Configuration	-	[Xe]4f11 6s2
Electron Affinity (Theory)	KJ/g-mol	N/A
Electron Affinity (Exp)	KJ/g-mol	N/A
Electronegativity (Pauling)	-	1.23
Electronegativity (Sanderson)	-	0.96
Electronegativity (Allred_Rochow)	-	1.10
Surface Tension @BP	dyn/cm	N/A
NMR Frequencies of Nuclei	MHz	20.513
Discovery Date	-	1878
Electric Resistivity	mohm-cm	87
Linear Thermal Expansion Coefficient	1E-6 cm/cm/�C	9.5
Neutron Capture Cross Section	barns	65
Thermal Conductivity	W/m/K	16.2
Magnetic Susceptibility	1e-9 m�/kg	5490
Abundance, (Sun)	log(atoms/1E12 atoms H)	0
Abundance, (Meteorite)	log(atoms/atoms)	0.5
Abundance, (Earth)	log(pbbw)	0
Abundance, (Crust)	log(pbbw)	2.9
Abundance, (Ocean)	log(1E-12 mol/kg)	0
Abundance, (Body)	log(ppmw)	0
Electrical Conductivity	%IACS	N/A
Electrical Resistance	-	81
Photoelectric Work Function	eV	3.09
Hall's Coefficient	1E-12* volt-cm/amp-Oe	N/A
Electrochemical Equivalent	mg/coulomb	0.56974
Young's Modulus of Elasticity	1E-6 kg/cm�	0.684
Shear Modulus	1E-6 kg/cm�	0.272
Bulk Modulus	1E-6 kg/cm�	0.4045
Poisson's Ratio	-	0.255
Hardness	-	42
Hardness Unit	-	VICKERS, DIAMOND PYRAMID

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