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Arsenic
(As)
0
3
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2
8
18
5
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As
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Metalloid
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Relative atomic mass
74.9216
Density
5.72
Melting point (°C)
817
Boiling point (°C)
614
Electronegativity (Pauling)
2
Discovery year
850 AD
Discovered by
Ancient Egyptians
Electrons: 33
Protons: 33
Neutrons: 42
Wikipedia
created by @lukaswyss
Arsenic (As) – Element 33
