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Chlorine-properties-at-room-temperature, chlorine - chlorine - physical and chemical properties: chlorine is a greenish yellow gas at room temperature and atmospheric pressure. it is two and a half times heavier than air. it becomes a liquid at −34 °c (−29 °f). it has a choking smell, and inhalation causes suffocation, constriction of the chest, tightness in the throat, and—after severe exposure—edema (filling with fluid .... Hydrochloric acid (hcl) was known to the alchemists. the gaseous element itself was first produced in 1774 by carl wilhelm scheele at uppsala, sweden, by heating hydrochloric acid with the mineral pyrolusite which is naturally occuring manganese dioxide, mno 2.a dense, greenish-yellow gas was evolved which he recorded as having a choking smell and which dissolved in water to give an acid solution., chlorine is a chemical element with the 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. it is an extremely reactive element and a strong oxidising agent: among the elements, it has the highest electron ....

General chlorine has a characteristic penetrating and irritating odor. the gas is greenish yellow in color and the liquid is clear amber. the data on physical properties of chlorine as determined by different investigators, chemical properties: chemical formula: cl2. corrosion: highly corrosive. toxicity: highly toxic. compounds: hydrochloric acid, sodium chloride (salt), etc. reactivity with metals: most metals react with dry chlorine only upon heating. combustion: chlorine reacts with alkali metals by combustion when tiny amounts of moisture are present. explosive: specific mixture of chlorine and hydrogen can ....

Chlorine chemistry. chlorine is a chemical element with the 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.., chlorine | cl2 | cid 24526 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards ....

Chlorine dioxide is a yellow to reddish-yellow manufactured gas. it does not occur naturally in the environment. when added to water, chlorine dioxide forms chlorite ion, which is also a very reactive chemical. chlorine dioxide is used as a bleaching agent at paper manufacturing plants, and in public water treatment facilities to make water safe to drink., placed in a vertical column on the right of the periodic table. the elements in group 7 are called the halogens..

The facts about chlorine technical information. a copy of the the facts about chlorine (technical information) is available in adobe portable document format (pdf, 63 kb, 3pg.). note to reader: this fact sheet is intended to provide general awareness and education on a specific chemical agent. for information on preparedness and response (e.g., for first responders and emergency medical ...