The alkaline earth metals are six chemical elements in group 2 of the periodic table. They are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). [1 ] The elements have very similar properties: they…
Pada 1781, seorang saintis Jerman-Sweden, Carl Wilhelm Scheele berjaya menghasilkan asid tungstik daripada galian syilit. [6 ] [7 ] Pada 1783, saintis bersaudara, José dan Fausto Elhuyar berjaya menurunkan asid tersebut dengan menggunakan…
Compounds of the noble gas neon were believed not to exist, but there are now known to be molecular ions containing neon, as well as temporary excited neon-containing molecules called excimers.
Názvoslovná komise pro anorganickou chemii Iupac byla založena v roce 1921 a od té doby se diskuse k mezinárodnímu názvosloví může zúčastnit široká chemická veřejnost.
The elements are listed generally in the order in which each was first defined as the pure element, as the exact date of discovery of most elements cannot be accurately determined.
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