Properties of Ruthenium

Close Window   Print Page

Property	Unit	Value
Name	-	Ruthenium
Abbrevation	-	Ru
Atomic Number	-	44
Group	-	TM
Heat of Fusion	Kcal/g-mole	5.81
Heat of Vaporization	Kcal/g-mole	141.89
Molecular Weight	g/g-mole	101.07000
Melting Point	�C	2310
Boiling Point	�C	4151
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	8.17
Atomic Radii (Bragg-Slater)	pm	N/A
Atomic Radii (Covalent)	pm	N/A
Atomic Radii (Van der Walls)	pm	130
Density	g/cm�	12.41000
Oxidation State	-	4,1,2,3,5,6,7,8
Electron Configuration	-	[Kr]4d7 5s
Electron Affinity (Theory)	KJ/g-mol	N/A
Electron Affinity (Exp)	KJ/g-mol	N/A
Electronegativity (Pauling)	-	2.20
Electronegativity (Sanderson)	-	1.40
Electronegativity (Allred_Rochow)	-	1.42
Surface Tension @BP	dyn/cm	2250.0
NMR Frequencies of Nuclei	MHz	4.941
Discovery Date	-	1808
Electric Resistivity	mohm-cm	7.6
Linear Thermal Expansion Coefficient	1E-6 cm/cm/�C	9.1
Neutron Capture Cross Section	barns	3
Thermal Conductivity	W/m/K	117
Magnetic Susceptibility	1e-9 m�/kg	5.37
Abundance, (Sun)	log(atoms/1E12 atoms H)	1.8
Abundance, (Meteorite)	log(atoms/atoms)	1.9
Abundance, (Earth)	log(pbbw)	3.1
Abundance, (Crust)	log(pbbw)	0
Abundance, (Ocean)	log(1E-12 mol/kg)	0
Abundance, (Body)	log(ppmw)	0
Electrical Conductivity	%IACS	N/A
Electrical Resistance	-	6.7
Photoelectric Work Function	eV	4.52
Hall's Coefficient	1E-12* volt-cm/amp-Oe	N/A
Electrochemical Equivalent	mg/coulomb	0.527
Young's Modulus of Elasticity	1E-6 kg/cm�	4.2
Shear Modulus	1E-6 kg/cm�	1.63
Bulk Modulus	1E-6 kg/cm�	3.271
Poisson's Ratio	-	0.29
Hardness	-	275
Hardness Unit	-	VICKERS(ANNEALED)

� Softwarefarms.com 2007