Chlorine is a chemical element; it has symbol Cl and atomic number 17. The second-lightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties are mostly …

Element Chlorine (Cl), Group 17, Atomic Number 17, p-block, Mass 35.45. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

Dec 10, 2025 · chlorine (Cl), chemical element, the second lightest member of the halogen elements, or Group 17 (Group VIIa) of the periodic table. Chlorine is a toxic, corrosive, greenish yellow gas that is …

Chlorine is a greenish yellow gas which combines directly with nearly all elements. Chlorine is a respiratory irritant. The gas irritates the mucous membranes and the liquid burns the skin. As little as …

Chlorine has seventeen protons and eighteen neutrons in its nucleus, and seventeen electrons in three shells. It is located in group seventeen, period three and block p of the periodic table.

Chlorine was named in 1810 by Davy, who insisted it was an element. In nature it is found in the combined state only, chiefly with sodium as common salt (NaCl), carnallite, and sylvite.

Chemical element, Chlorine, information from authoritative sources. Look up properties, history, uses, and more.

Chlorine is a chemical element; it has symbol Cl and atomic number 17. The second-lightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties are mostly …

Physical and chemical properties of Chlorine: general data, thermal properties, ionization energies, isotopes, reduction potentials, abundance of elements, crystallographic data.

In this article, you will learn about the element chlorine of the periodic table, including its breath-taking history and exciting properties.