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Hace 3 días · 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.
- pale yellow-green gas
- −1
- 17
- Cl −
Hace 6 días · Halogen, a small amount mixed with inert gas. This is used in halogen lamps, which are a distinct type of incandescent lamp. The gas fill must be free of traces of water, which greatly accelerates bulb blackening (see below).
Hace 2 días · Numbering scheme. According to ASHRAE standard 34, the R-number of a chemical refrigerant is assigned systematically according to its molecular structure and has between two and four digits.
5 de may. de 2024 · Chlorine, chemical element of the halogen group that is a toxic, corrosive, greenish yellow gas, irritating to the eyes and respiratory system. Much chlorine is used to sterilize water and wastes, and the substance is employed either directly or indirectly as a bleaching agent for paper.
- The Editors of Encyclopaedia Britannica
5 de may. de 2024 · As a halogen, astatine tends to be classified as a nonmetal. It has some marked metallic properties and is sometimes instead classified as either a metalloid or (less often) as a metal. Immediately following its production in 1940, early investigators considered it a metal.
Hace 4 días · Bibliography. Iodine is a chemical element; it has symbol I and atomic number 53. The heaviest of the stable halogens, it exists at standard conditions as a semi-lustrous, non-metallic solid that melts to form a deep violet liquid at 114 °C (237 °F), and boils to a violet gas at 184 °C (363 °F).
26 de abr. de 2024 · This Review tracks the natural benefits and intricate redox behaviour of halogen conversion chemistry, highlighting its pivotal role in electrochemical energy storage.
