- Chemical Definition Meaning | Britannica Dictionary
CHEMICAL meaning: 1 : of or relating to chemistry; 2 : working by means of chemicals
- Chemistry | Definition, Topics, Types, History, Facts | Britannica
The identification of pure substances and the analysis of chemical mixtures enable all other chemical disciplines to flourish The importance of analytical chemistry has never been greater than it is today
- Chemical reaction | Definition, Equations, Examples, Types - Britannica
A chemical reaction is a process in which one or more substances, the reactants, are converted to one or more different substances, the products Substances are either chemical elements or compounds
- The Horrifying History of Gas Warfare | Britannica
But Haber was willing to pervert this chemical genius to help Germany win the war And he set out to craft deadlier chemical weapons, leading a group of scientists the German military ghoulishly called "the disinfection unit "
- Chemical compound | Definition, Examples, Types | Britannica
All the matter in the universe is composed of the atoms of more than 100 different chemical elements, which are found both in pure form and combined in chemical compounds
- Adrenochrome | Description, Properties, History, Popular Culture . . .
Adrenochrome, unstable chemical compound formed by the oxidation of epinephrine (also known as adrenaline) and having the chemical formula C9H9NO3 Its name is a combination of the words adrenaline, referring to its source, and chrome, referring to its having a colour (violet)
- How Is Gold Formed? - Encyclopedia Britannica
gold (Au), chemical element, a dense lustrous yellow precious metal of Group 11 (Ib), Period 6, of the periodic table of the elements Gold has several qualities that have made it exceptionally valuable throughout history
- Major Supreme Court Cases from the 2024–25 Term
Among the questions presented in the cases added were: whether so-called “ghost guns,” or firearms that are assembled from kits or separately sold parts, can be regulated by the federal Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF); whether a person on death row in Oklahoma deserves a new trial because prosecutors concealed the
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