Cl	Z =  17	◊ ◊ ◊ ◊ ◊	Chlorine
			From the Greek "chloros", meaning "pale green"
(AM) Atomic Mass	35.4527  amu	♦	Oxidation States	+1, +3, +5, +7, -1
(BP) Boiling Point	-34.6  °C	♦	(MP) Melting Point	-100.9  °C
(ρ) Density	0.003214  g/cm3	♦	Crystal Structure	Orthorhombic
( χ ) Electronegativity	3	♦	(AR) Atomic Radius	0.99  Å
Physical State	Gas	♦	(C) Heat Capacity	0.479  J/g °C
Electronic-Config	[Ne]  3s2  3p5	♦	(I1) First Ionization E	1251.12  kJ/mol
(ΔHvap) Heat of Vaporization	20.41  kJ/mol	♦	(ΔHfus) Heat of Fusion	6.406  kJ/mol
Year of Discovery	1774	♦	Location of Discovery	Sweden
(E°) Standard Potential	Cl2 (g) ⇔ 2 Cl- (1.360 V)
Stable isotopes	35Cl,  37Cl
Discovered/Synthesized by	Carl Wilhelm Scheele
Natural Source	The mineral/ore halite (rock salt)
Common Uses	Bleach, disinfectant, drinking water, swimming pools, PVC plastic pipes and bottles
Other Info	One of humanity’s best friends used for disinfection Exists in nature as the diatomic molecule Cl2
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