2025年3月20日 · The areas of specialization that emerged early in the history of chemistry, such as organic, inorganic, physical, analytical, and industrial chemistry, along with biochemistry, …

2025年2月21日 · History, discipline that studies the chronological record of events, usually attempting, on the basis of a critical examination of source materials, to explain events. For the …

Chemistry's vast scope comprises organic, inorganic, physical, analytical, and industrial chemistry, along with biochemistry, environmental chemistry, medicinal chemistry, and much …

2025年3月28日 · History of use. In some parts of the Western Hemisphere and in India, the use of salt was introduced by Europeans, but in parts of central Africa it is still a luxury available only …

2025年3月20日 · In the course of just a few years in the 1770s, Lavoisier developed a radical new system of chemistry, based on Black’s methods and Priestley’s dephlogisticated air. Lavoisier …

2025年2月27日 · Bismuth was accepted as a specific metal by the middle of the 18th century, and works on its chemistry were published in 1739 by the German chemist Johann Heinrich Pott …

2025年3月24日 · The early years of the 19th century witnessed a rapid development in analytical chemistry—the art of distinguishing different chemical substances—and the consequent …

2025年3月22日 · The chemistry behind Hollywood explosions explained Discover the chemistry of gunpowder and Hollywood pyrotechnic effects. (more)

2025年3月13日 · Soon after, studies of gases by English chemist John Dalton, and the first table of atomic weights that Dalton compiled, as well as many new gases discovered by other …

2025年3月17日 · What were John Dalton’s other scientific contributions beyond chemistry? John Dalton posited, against contemporary opinion of the time, that the atmosphere was a physical …