Chlorine

Element information

Atomic properties

Mass: 35.45 u

Electron configuration: [Ne]3s2 3p5

Oxidation states: +7, +5, +1, -1

Electronegativity: 3.16

Physical properties

Density: 0.003214 g/cm³

Standard state: gas

Melting point: 171.65 K

Boiling point: 239.11 K

₁₇Cl

Part of the Periodic Table 2 collection

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