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Chlorine

(Cl)

287

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Category

Halogen

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Relative atomic mass

35.453

Density

3.21

Melting point (°C)

-101.5

Boiling point (°C)

-34.04

Electronegativity (Pauling)

3

Discovery year

1774

Discovered by

Carl Wilhelm Scheele

Electrons: 17

Protons: 17

Neutrons: 18

Wikipedia

created by @lukaswyss

Chlorine (Cl) – Element 17