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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 intermediate between them. Chlorine is a yellow-green gas at room temperature.

Mar 21, 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 irritating to the eyes and to the respiratory system.

Chlorine is the 17th element in the periodic table and has a symbol of Cl and atomic number of 17. It has an atomic weight of 35.450 and a mass number of 35. Chlorine has seventeen protons and eighteen neutrons in its nucleus, and seventeen electrons in three shells.

Chlorine is a chemical element with symbol Cl and atomic number 17. Classified as a halogen, Chlorine is a gas at room temperature.

Chlorine (Cl) has an atomic mass of 17. Find out about its chemical and physical properties, states, energy, electrons, oxidation and more.

El Cloro es un elemento químico perteneciente a los halógenos o formadores de sales de la tabla periódica. Es un gas tóxico de número atómico 17, color amarillo verdoso y estructurado en moléculas diatómicas o dobles. Además, es 2 veces más denso que el aire y posee un desagradable olor.

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Cloro (Cl) tiene una masa atómica de 17. Encuentra sus propiedades químicas y físicas, estados, energía, electrones, oxidación y más.