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Atomic Number: 33
Atomic Weight: 74.92160 Melting Point: 1090 K (817°C or 1503°F) Boiling Point: 887 K (614°C or 1137°F) Density: 5.776 grams per cubic centimeter Phase at Room Temperature: Solid Element Classification: Semi-metal Period Number: 4 Group Number: 15 Group Name: Pnictogen Estimated Crustal Abundance: 1.8 milligrams per kilogram Estimated Oceanic Abundance: 3.7-3 milligrams per liter Number of Stable Isotopes: 1 Ionization Energy: 9.815 eV Oxidation States: +5, +3, -3 Electron Shell Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p3 Pauling electronegativity 2.18 Cost, pure: $320 per 100g |
picture of arsenic
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