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A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z). [ 1 ] The definitive visualisation of all 118 elements is the periodic table of the elements , whose history along the principles of the periodic law was one of the founding ...
Chemical substance – Form of matter; Inorganic compounds by element; List of alloys; List of alkanes; List of elements by name; List of minerals – List of minerals with Wikipedia articles; List of alchemical substances; Polyatomic ion – Ion containing two or more atoms; Exotic molecules – Atoms composed of exotic particles can form ...
This is a list of common chemical compounds with chemical formulae and CAS numbers, indexed by formula. This complements alternative listing at list of inorganic compounds. There is no complete list of chemical compounds since by nature the list would be infinite.
Compendium of Pesticide Common Names British Crop Production Council: Pesticides with ISO common names structure, CASNo, IUPAC name, SMILES, InChI curated "Compendium of Pesticide Common Names". 1,800 CompTox: CompTox Chemicals Dashboard US Environmental Protection Agency: chemicals evaluated for potential health risks "CompTox". CosIng
This is an index of lists of molecules (i.e. by year, number of atoms, etc.). Millions of molecules have existed in the universe since before the formation of Earth. Three of them, carbon dioxide, water and oxygen were necessary for the growth of life.
List of inorganic compounds. 18 languages. ... Although most compounds are referred to by their IUPAC systematic names (following IUPAC nomenclature), ...
Every chemical substance has one or more systematic names, usually named according to the IUPAC rules for naming. An alternative system is used by the Chemical Abstracts Service (CAS). Many compounds are also known by their more common, simpler names, many of which predate the systematic name.
Pages in category "Chemical compounds" The following 30 pages are in this category, out of 30 total. This list may not reflect recent changes. ...