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Classifications |
Alternate Names | None |
Names of Allotropes | YellowArsenic, BlackArsenic, GrayArsenic |
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Block | p |
Group | 15 |
Period | 4 |
Series | Metalloid |
Electron Configuration | [Ar]4s23d104p3 |
Color | Silver |
Discovery | |
Gas phase | N/A |
CAS Number | CAS7440-38-2 |
CID Number | |
RTECS Number | |
Electrical properties |
Electrical Type | Conductor |
Electrical Conductivity | 3.3×106 S/m |
Resistivity | 3×10-7 m Ω |
Superconducting Point | N/A |
Magnetic properties |
Magnetic Type | Diamagnetic |
Curie Point | N/A |
Mass Magnetic Susceptibility | -3.9×10-9 m3/Kg |
Molar Magnetic Susceptibility | -2.92×10-10 m3/mol |
Volume Magnetic Susceptibility | -0.0000223 |
Abundances |
% in Universe | 8×10-7% |
% in Sun | N/A |
% in Meteorites | 0.00018% |
% in Earth's Crust | 0.00021% |
% in Oceans | 2.3×10-7% |
% in Humans | 5×10-6% |
Atomic dimensions and structure |
Atomic Radius | 114 pm |
Covalent Radius | 119 pm |
Van der Waals Radius | 185 pm |
Crystal Structure | Simple Trigonal |
Lattice Angles | |
Lattice Constants | 375.98, 375.98, 1054.75 pm |
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Space Group Name | R_
3m |
Space Group Number | 166 |
Nuclear Properties |
Half-Life | Stable |
Lifetime | Stable |
Decay Mode | N/A |
Quantum Numbers | 4S3/2 |
Neutron Cross Section | 4.2 |
Neutron Mass Absorption | 0.002 |
Known Isotopes | 60As, 61As, 62As, 63As, 64As, 65As, 66As, 67As, 68As, 69As, 70As, 71As, 72As, 73As, 74As, 75As, 76As, 77As, 78As, 79As, 80As, 81As, 82As, 83As, 84As, 85As, 86As, 87As, 88As, 89As, 90As, 91As, 92As |
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Stable Isotopes | |
Isotopic Abundances | |
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