Property | Unit | Value |
Name | - | Boron |
Abbrevation | - | B |
Atomic Number | - | 5 |
Group | - | NM |
Heat of Fusion | Kcal/g-mole | 12 |
Heat of Vaporization | Kcal/g-mole | 114.9 |
Molecular Weight | g/g-mole | 10.81000 |
Melting Point | �C | 2300 |
Boiling Point | �C | 3866 |
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 | 4.39 |
Atomic Radii (Bragg-Slater) | pm | N/A |
Atomic Radii (Covalent) | pm | 90 |
Atomic Radii (Van der Walls) | pm | 85 |
Density | g/cm� | 2.34000 |
Oxidation State | - | 3 |
Electron Configuration | - | [He]2s2 2p |
Electron Affinity (Theory) | KJ/g-mol | 29 |
Electron Affinity (Exp) | KJ/g-mol | 23 |
Electronegativity (Pauling) | - | 2.04 |
Electronegativity (Sanderson) | - | 1.88 |
Electronegativity (Allred_Rochow) | - | 2.01 |
Surface Tension @BP | dyn/cm | 1060.0 |
NMR Frequencies of Nuclei | MHz | 32.084 |
Discovery Date | - | 1808 |
Electric Resistivity | mohm-cm | 1.8E+12 |
Linear Thermal Expansion Coefficient | 1E-6 cm/cm/�C | 5 |
Neutron Capture Cross Section | barns | 3837 |
Thermal Conductivity | W/m/K | 27 |
Magnetic Susceptibility | 1e-9 m�/kg | -7.8 |
Abundance, (Sun) | log(atoms/1E12 atoms H) | 2 |
Abundance, (Meteorite) | log(atoms/atoms) | 3 |
Abundance, (Earth) | log(pbbw) | 2.6 |
Abundance, (Crust) | log(pbbw) | 4 |
Abundance, (Ocean) | log(1E-12 mol/kg) | 8.62 |
Abundance, (Body) | log(ppmw) | 2 |
Electrical Conductivity | %IACS | N/A |
Electrical Resistance | - | 2E+13 |
Photoelectric Work Function | eV | 4.5 |
Hall's Coefficient | 1E-12* volt-cm/amp-Oe | N/A |
Electrochemical Equivalent | mg/coulomb | 0.03737 |
Young's Modulus of Elasticity | 1E-6 kg/cm� | 4.5 |
Shear Modulus | 1E-6 kg/cm� | 2.07 |
Bulk Modulus | 1E-6 kg/cm� | 1.82 |
Poisson's Ratio | - | 0.089 |
Hardness | - | 9.3 |
Hardness Unit | - | MOHS |
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