WebAug 2, 2024 · The vast majority of elements are colorless, silver, or gray. Some elements do have distinctive colors: sulfur and chlorine are yellow, copper is (of course) copper-colored, and elemental bromine is red. However, density can be a very useful parameter for identifying an element. WebChlorine 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 …
Iodine - Physical and chemical properties Britannica
WebAug 13, 2024 · Osmolarity of a solution is the number of osmoles of solute per litre of solution. Osmolality is a measure of the number of particles present in solution and is independent of the size or weight of the particles. It can be measured only by use of a property of the solution that is dependent solely on the particle concentration. Webchlorine Home Science Chemistry chlorine Production and use Rock salt deposits are usually mined; occasionally water is pumped down, and brine, containing about 25 percent sodium chloride, is brought to the surface. When the brine is evaporated, impurities separate first and can be removed. in a test a teacher collected the answer
Physical properties of the halogens - Group 7 - BBC Bitesize
WebChlorine is yellowy-green in colour, as is the image. Appearance A yellowy-green dense gas with a choking smell. Uses Chlorine kills bacteria – it is a disinfectant. It is used to treat drinking water and swimming pool water. It is also used to make hundreds of consumer … Sulfur is mentioned 15 times in the Bible, and was best known for destroying … Appearance. A very pale yellow-green, dangerously reactive gas. It is the most … Nitrogen in the form of ammonium chloride, NH 4 Cl, was known to the alchemists … Antimony and its compounds were known to the ancients and there is a 5,000-year … Uranium ores contain minute traces of polonium at levels of parts per billion. … The analysis of a curious metal ornament found in the tomb of Chou-Chu, a … Hydrogen - Chlorine - Element information, properties and uses Periodic Table Vanadium - Chlorine - Element information, properties and uses Periodic Table Copper - Chlorine - Element information, properties and uses Periodic Table Helium - Chlorine - Element information, properties and uses Periodic Table WebAug 15, 2024 · Chlorine is a halogen in group 17 and period 3. It is very reactive and is widely used for many purposes, such as as a disinfectant. Due to its high reactivity, it is … WebIt is an ionic compound of chlorine and calcium. At room temperature, it is a crystalline solid white in colour. It is highly soluble in water and hence is hygroscopic in nature. It is … in a theme and variations the theme quizlet