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Arsenic
ArsenicAs Electron 1 Electron 2 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 9 Electron 10 Electron 11 Electron 12 Electron 13 Electron 14 Electron 15 Electron 16 Electron 17 Electron 18 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5

Arsenic is a chemical element with symbol As and atomic number 33. Arsenic occurs in many minerals, usually in conjunction with sulfur and metals, and also as a pure elemental crystal. Arsenic is a metalloid.

33 Atomic Number
74.92  u Atomic Mass
1090.15  K Melting Point
887  K Boiling Point
5.73  g/cm³ Density
1.3  Å Atomic Radius
1.19  Å Covalent Radius
2.18 Electronegativity
9.79  eV First Ionization Energy
77.65 Electron Affinity
4 Number of Shells
5 Electron Valency
2, 8, 18, 5 Electron Shell Occupations
0.33  J/g Specific Heat