Compare Element Properties

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Property	Cl Chlorine	? N/A
Atomic number	17	N/A
Symbol	Cl	N/A
Name	Chlorine	N/A
Category	halogen	N/A
Standard Atomic Weight	35.4515 u	N/A
Period	3	N/A
Group	17	N/A
Block	p	N/A
Phase at STP	gas	N/A
Electron configuration	[Ne]3s23p5	N/A
Oxidation states	[-1, 1, 2, 3, 4, 5, 6, 7]	N/A
Electronegativity (Pauling)	3.16	N/A
Electron affinity	3.6127 eV	N/A
Density	3.214 kg/m³	N/A
Melting point	-101.5 °C	N/A
Boiling point	-34.04 °C	N/A
Discovery year	1774	N/A