Atomic Profile

Chlorine (Cl)

Discover properties, shell configurations, industrial applications, compounds, and historical occurrences of the Chlorine element.

17Cl35.45

Melting Point-101.5 °C

Boiling Point-34.04 °C

Density3.2 g/L

Electronegativity3.16

Group / PeriodGroup 17, Period 3

Electronic Config[Ne] 3s² 3p⁵

Bohr Shells2, 8, 7

Visualizing the concentric Bohr orbits and energy level shells for Chlorine.

+17

Shell 1: 2e⁻ | Shell 2: 8e⁻ | Shell 3: 7e⁻

Discovery Details

Discovered by Carl Wilhelm Scheele in the year 1774.

Natural Occurrence

Found combined in nature as dissolved rock salt NaCl in oceans. Diatomic greenish-yellow gas in its free state.

Common Uses & Applications

Below are typical molecular compounds formed by Chlorine interacting with other elements:

NaCl (Sodium Chloride)HCl (Hydrochloric Acid)PVC (Polyvinyl Chloride)

What is the color of Chlorine gas at room temperature?

Watch educational lectures detailing the chemical extraction and molecular spectrums of Chlorine.

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