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Atomic Profile
Chlorine (Cl)
Discover properties, shell configurations, industrial applications, compounds, and historical occurrences of the Chlorine element.
17Cl35.45
Physical Properties
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
Bohr Electron Model
Visualizing the concentric Bohr orbits and energy level shells for Chlorine.
+17
Shell 1: 2e⁻ | Shell 2: 8e⁻ | Shell 3: 7e⁻
Origin & Abundance
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
- Swimming pool disinfectant sanitization
- Drinking water purification
- PVC plastic production
- Household bleaching products
Common Chemical Compounds
Below are typical molecular compounds formed by Chlorine interacting with other elements:
NaCl (Sodium Chloride)HCl (Hydrochloric Acid)PVC (Polyvinyl Chloride)
Element Concept Check
What is the color of Chlorine gas at room temperature?
Video Lectures & Fact Files
Watch educational lectures detailing the chemical extraction and molecular spectrums of Chlorine.
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