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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 ...
R&D Chemicals - Free compound search by chemical name, CAS Number, structure and substructure See also: PubChem , Entrez , PubMed , GenBank , Chemical database , CAS Registry Number , List of inorganic compounds , List of organic compounds , List of biomolecules , List of minerals , Inorganic compounds by element , Dictionary of chemical ...
Chemical classification systems attempt to classify elements or compounds according to certain chemical functional or structural properties. Whereas the structural properties are largely intrinsic, functional properties and the derived classifications depend to a certain degree on the type of chemical interaction partners on which the function is exerted.
List of organic compounds, for well-known organic compounds, also including organometallics; List of biomolecules; Former list of compounds, including all chemical compounds in Wikipedia, now a disambiguation page only; Inorganic compounds by element, same data, but other order; Dictionary of chemical formulas, to find a name from a formula ...
List of alchemical substances; List of chemical elements; List of minerals – List of minerals with Wikipedia articles; List of named alloys; List of straight-chain alkanes; Polyatomic ion – Ion containing two or more atoms; Exotic molecule – a compound containing one or more exotic atoms
List of saturated fatty acids; List of scattering experiments; List of Schedule 1 substances (CWC) List of Schedule 2 substances (CWC) List of Schedule 3 substances (CWC) List of sex-hormonal medications available in the United States; List of chemistry societies; List of chemical engineering societies; Solubility table; Standard electrode ...
Although most compounds are referred to by their IUPAC systematic names (following IUPAC nomenclature), traditional names have also been kept where they are in wide use or of significant historical interests.
The following are subcategories containing chemical compounds by element. An alternative listing of inorganic compounds may be found at inorganic compounds by element . Wikimedia Commons has media related to Chemical compounds by element .