Compare Element Properties

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Property	As Arsenic	? N/A
Atomic number	33	N/A
Symbol	As	N/A
Name	Arsenic	N/A
Category	metalloid	N/A
Standard Atomic Weight	74.921595 u	N/A
Period	4	N/A
Group	15	N/A
Block	p	N/A
Phase at STP	solid	N/A
Electron configuration	[Ar]4s23d104p3	N/A
Oxidation states	[-3, -2, -1, 0, 1, 2, 3, 4, 5]	N/A
Electronegativity (Pauling)	2.18	N/A
Electron affinity	0.81 eV	N/A
Density	5776 kg/m³	N/A
Melting point	816.85 °C	N/A
Boiling point	613.85 °C	N/A
Discovery year	1250	N/A