Properties of Ytterbium

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Property	Unit	Value
Name	-	Ytterbium
Abbrevation	-	Yb
Atomic Number	-	70
Group	-	RE
Heat of Fusion	Kcal/g-mole	1.83
Heat of Vaporization	Kcal/g-mole	30.84
Molecular Weight	g/g-mole	173.04000
Melting Point	�C	819
Boiling Point	�C	1192.85
Refractive Index	-	N/A
Critical Temperature	�C	4146.9
Critical Pressure	atm	N/A
Critical Volume	cm�/g-mol	N/A
Atomic Volume	cm�/g-mol	24.84
Atomic Radii (Bragg-Slater)	pm	N/A
Atomic Radii (Covalent)	pm	N/A
Atomic Radii (Van der Walls)	pm	N/A
Density	g/cm�	6.96500
Oxidation State	-	3,2
Electron Configuration	-	[Xe]4f14 6s2
Electron Affinity (Theory)	KJ/g-mol	N/A
Electron Affinity (Exp)	KJ/g-mol	N/A
Electronegativity (Pauling)	-	N/A
Electronegativity (Sanderson)	-	0.96
Electronegativity (Allred_Rochow)	-	1.06
Surface Tension @BP	dyn/cm	N/A
NMR Frequencies of Nuclei	MHz	17.613
Discovery Date	-	1878
Electric Resistivity	mohm-cm	29
Linear Thermal Expansion Coefficient	1E-6 cm/cm/�C	25
Neutron Capture Cross Section	barns	37
Thermal Conductivity	W/m/K	34.9
Magnetic Susceptibility	1e-9 m�/kg	18.1
Abundance, (Sun)	log(atoms/1E12 atoms H)	0.9
Abundance, (Meteorite)	log(atoms/atoms)	1
Abundance, (Earth)	log(pbbw)	2.4
Abundance, (Crust)	log(pbbw)	3.3
Abundance, (Ocean)	log(1E-12 mol/kg)	0.7
Abundance, (Body)	log(ppmw)	0
Electrical Conductivity	%IACS	N/A
Electrical Resistance	-	29.4
Photoelectric Work Function	eV	2.59
Hall's Coefficient	1E-12* volt-cm/amp-Oe	3.77E-12
Electrochemical Equivalent	mg/coulomb	0.59772
Young's Modulus of Elasticity	1E-6 kg/cm�	0.182
Shear Modulus	1E-6 kg/cm�	0.071
Bulk Modulus	1E-6 kg/cm�	0.1353
Poisson's Ratio	-	0.284
Hardness	-	21
Hardness Unit	-	VICKERS

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