Arsenic

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Arsenic
As
In situ availability:
Necessity:
Atomic number: 33
Atomic mass: 74.9216
group: 15
period: 4
normal phase: Solid
series: Metalloids
density: 5.727 g/cm3
melting point: 1090K,
817°C,
1503°F
boiling point: 887K,
614°C,
1137°F
SiPS
Ge ← As → Se
SnSbTe
Atomic radius (pm): 115
Bohr radius (pm): 114
Covalent radius (pm): 119
Van der Waals radius (pm): 185
ionic radius (pm): (+3) 58
1st ion potential (eV): 9.81
Electron Configuration
1s2
2s2 2p6
3s2 3p6 3d10
4s2 4p3
Electrons Per Shell
2, 8, 18, 5
Electronegativity: 2.18
Electron Affinity: 0.81
Oxidation states: +/-3, 5
Magnetism: ?
Crystal structure: 0

Arsenic is a Metalloid in group 15. It has a 0 crystalline structure. This element has a stable isotope of 75




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