Properties of Rhodium

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Property	Unit	Value
Name	-	Rhodium
Abbrevation	-	Rh
Atomic Number	-	45
Group	-	TM
Heat of Fusion	Kcal/g-mole	5.14
Heat of Vaporization	Kcal/g-mole	118.048
Molecular Weight	g/g-mole	102.90550
Melting Point	�C	1966
Boiling Point	�C	3693
Refractive Index	-	1.54
Critical Temperature	�C	N/A
Critical Pressure	atm	N/A
Critical Volume	cm�/g-mol	N/A
Atomic Volume	cm�/g-mol	8.28
Atomic Radii (Bragg-Slater)	pm	N/A
Atomic Radii (Covalent)	pm	N/A
Atomic Radii (Van der Walls)	pm	135
Density	g/cm�	12.41000
Oxidation State	-	3,2,4,5,6
Electron Configuration	-	[Kr]4d8 5s
Electron Affinity (Theory)	KJ/g-mol	N/A
Electron Affinity (Exp)	KJ/g-mol	N/A
Electronegativity (Pauling)	-	2.28
Electronegativity (Sanderson)	-	1.47
Electronegativity (Allred_Rochow)	-	1.45
Surface Tension @BP	dyn/cm	N/A
NMR Frequencies of Nuclei	MHz	3.172
Discovery Date	-	1803
Electric Resistivity	mohm-cm	4.51
Linear Thermal Expansion Coefficient	1E-6 cm/cm/�C	8.4
Neutron Capture Cross Section	barns	150
Thermal Conductivity	W/m/K	150
Magnetic Susceptibility	1e-9 m�/kg	13.6
Abundance, (Sun)	log(atoms/1E12 atoms H)	1.4
Abundance, (Meteorite)	log(atoms/atoms)	1.1
Abundance, (Earth)	log(pbbw)	2.5
Abundance, (Crust)	log(pbbw)	-1
Abundance, (Ocean)	log(1E-12 mol/kg)	0
Abundance, (Body)	log(ppmw)	0
Electrical Conductivity	%IACS	N/A
Electrical Resistance	-	4.33
Photoelectric Work Function	eV	4.8
Hall's Coefficient	1E-12* volt-cm/amp-Oe	N/A
Electrochemical Equivalent	mg/coulomb	0.26661
Young's Modulus of Elasticity	1E-6 kg/cm�	3.8
Shear Modulus	1E-6 kg/cm�	1.5
Bulk Modulus	1E-6 kg/cm�	2.758
Poisson's Ratio	-	0.278
Hardness	-	110
Hardness Unit	-	VICKERS(ANNEALED)

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