(physics) The major stable isotope of chlorine, ³⁵₁₇Cl, having seventeen protons and eighteen neutrons; it amounts to about 76% of the element in nature

(physics) The minor stable isotope of chlorine, ³⁷₁₇Cl, having seventeen protons and twenty neutrons; it amounts to about 24% of the element in nature

(physics) A long-lived radioactive isotope of chlorine, ³⁶₁₇Cl, having seventeen protons and nineteen neutrons, and a half-life of 3x10⁵ years; it can be used to date samples of groundwater

bleaching powder

a reddish-yellow explosive gas, ClO₂, used as a water disinfectant and to bleach flour and wood pulp

A solution of chlorine in water used as a bleaching agent

(inorganic chemistry) A poisonous gaseous binary compound, CF₃, of chlorine and fluorine.

(inorganic chemistry) A gaseous binary compound, CF, of chlorine and fluorine.

(inorganic chemistry) A gaseous hypervalent binary compound, CF₅, of chlorine and fluorine.

(inorganic chemistry) Any binary compound of chlorine and oxygen.