As
Arsenic
33
Atomic Number: 33
Atomic mass: 74.921602
Ionization energy: 947
Electronaffinity: -78
Covalent radius: 119
Calculated radius: 114
Empirical radius: 115
Vanderwaals radius: 185
Electronegativity: 2.18
Density: 5.73
Oxidation states: -3, 2, 3, 5
Melting point: 1090
Boiling point: 887
Electron configuration: [Ar] 3d10 4s2 4p3
Element group: 15
Element period: 4

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