Properties of Rubidium

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Property	Unit	Value
Name	-	Rubidium
Abbrevation	-	Rb
Atomic Number	-	37
Group	-	AM
Heat of Fusion	Kcal/g-mole	0.52
Heat of Vaporization	Kcal/g-mole	17.17
Molecular Weight	g/g-mole	85.46780
Melting Point	�C	38.89
Boiling Point	�C	697
Refractive Index	-	N/A
Critical Temperature	�C	1828.9
Critical Pressure	atm	157.908
Critical Volume	cm�/g-mol	251.15297
Atomic Volume	cm�/g-mol	55.76
Atomic Radii (Bragg-Slater)	pm	N/A
Atomic Radii (Covalent)	pm	148
Atomic Radii (Van der Walls)	pm	235
Density	g/cm�	1.53200
Oxidation State	-	1,2,3,4
Electron Configuration	-	[Kr]5s
Electron Affinity (Theory)	KJ/g-mol	-169
Electron Affinity (Exp)	KJ/g-mol	46.9
Electronegativity (Pauling)	-	0.82
Electronegativity (Sanderson)	-	0.70
Electronegativity (Allred_Rochow)	-	0.89
Surface Tension @BP	dyn/cm	85.7
NMR Frequencies of Nuclei	MHz	32.721
Discovery Date	-	1861
Electric Resistivity	mohm-cm	12.5
Linear Thermal Expansion Coefficient	1E-6 cm/cm/�C	90
Neutron Capture Cross Section	barns	0.5
Thermal Conductivity	W/m/K	58.2
Magnetic Susceptibility	1e-9 m�/kg	2.49
Abundance, (Sun)	log(atoms/1E12 atoms H)	2.6
Abundance, (Meteorite)	log(atoms/atoms)	2.6
Abundance, (Earth)	log(pbbw)	2.7
Abundance, (Crust)	log(pbbw)	4.5
Abundance, (Ocean)	log(1E-12 mol/kg)	6.2
Abundance, (Body)	log(ppmw)	2.8
Electrical Conductivity	%IACS	11.6
Electrical Resistance	-	2.09
Photoelectric Work Function	eV	N/A
Hall's Coefficient	1E-12* volt-cm/amp-Oe	N/A
Electrochemical Equivalent	mg/coulomb	0.8858
Young's Modulus of Elasticity	1E-6 kg/cm�	0.0277
Shear Modulus	1E-6 kg/cm�	0.0102
Bulk Modulus	1E-6 kg/cm�	0.03206
Poisson's Ratio	-	0.356
Hardness	-	0.3
Hardness Unit	-	MOHS

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