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41 of the 118 known elements have names associated with, or specifically named for, places around the world or among astronomical objects. 32 of these have names tied to the places on Earth, and the other nine are named after to Solar System objects: helium for the Sun; tellurium for the Earth; selenium for the Moon; mercury (indirectly), uranium, neptunium and plutonium after their respective ...
Elements which are named after currently existing countries and cities are as: Polonium, named after Poland [15] Francium and gallium, both named after France [16] Nihonium, named after Japan; Germanium was named for Germany [17] Beryllium was named after the mineral beryl, whose name may have come from Belur, a city in Karnataka state of India ...
John Davy FRS FRSE (24 May 1790 – 24 January 1868) was a Cornish doctor, amateur chemist, brother of the noted chemist Sir Humphry Davy, and cousin of Edmund Davy.. During his career, Davy discovered phosgene, silicon tetrafluoride, and concluded that chlorine was an element.
Chlorine is the second halogen, being a nonmetal in group 17 of the periodic table. Its properties are thus similar to fluorine, bromine, and iodine, and are largely intermediate between those of the first two. Chlorine has the electron configuration [Ne]3s 2 3p 5, with the seven electrons in the third and outermost shell acting as its valence ...
Carl Wilhelm Scheele (German:, Swedish: [ˈɧêːlɛ]; 9 December 1742 – 21 May 1786 [2]) was a German Swedish [3] pharmaceutical chemist.. Scheele discovered oxygen (although Joseph Priestley published his findings first), and identified molybdenum, tungsten, barium, nitrogen, and chlorine, among others.
Jesus (/ ˈ dʒ iː z ə s /) is a masculine given name derived from Iēsous (Ἰησοῦς; Iesus in Classical Latin) the Ancient Greek form of the Hebrew name Yeshua (ישוע). [ 1 ] [ 2 ] As its roots lie in the name Isho in Aramaic and Yeshua in Hebrew, it is etymologically related to another biblical name, Joshua .
The grade of chlorine-based bleaches is often expressed as percent active chlorine. One gram of 100% active chlorine bleach has the same bleaching power as one gram of elemental chlorine. The most common chlorine-based bleaches are: Sodium hypochlorite (NaClO), usually as a 3–6% solution in water, usually called "liquid bleach" or just "bleach".
Lavoisier and Berthollet, Chimistes Celebres, Liebig's Extract of Meat Company Trading Card, 1929 Claude Louis Berthollet statue in Annecy, France Claude Louis Berthollet (French pronunciation: [klod lwi bɛʁtɔlɛ], 9 December 1748 – 6 November 1822) was a Savoyard-French chemist who became vice president of the French Senate in 1804. [1]