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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 ...
C 12 H 16 O 3: oudenone: C 12 H 16 O 4: 2,4,5-Trimethoxypropiophenone: C 12 H 16 O 7: arbutin: 497-76-7 C 12 H 17 N 5 O 4 S thiamine nitrate: C 12 H 18 N 4 O 2: E1210: C 12 H 18 O: propofol: 2078-54-8 C 12 H 18 O 4: Allixin or 1,6-Hexanediol diacrylate: C 12 H 19 N 3 O 7: D-Fructose-L-histidine: 25020-13-7 C 12 H 21 N 3 O 8: Aspartylglucosamine ...
A chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule, using chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.
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.
Phosphomolybdic acid – H 3 PMo 12 O 40; Phosphoric acid – H 3 PO 4; Phosphorous acid (Phosphoric(III) acid) – H 3 PO 3; Phosphoroyl nitride – NPO; Phosphorus pentabromide – PBr 5; Phosphorus pentafluoride – PF 5; Phosphorus pentasulfide – P 4 S 10; Phosphorus pentoxide – P 2 O 5; Phosphorus sesquisulfide – P 4 S 3; Phosphorus ...
Number of isomers [3] [4] Number of isomers including stereoisomers [3] [5] Molecular Formula Name of straight chain Synonyms 1 1 1 CH 4: methane: methyl hydride; natural gas 2 1 1 C 2 H 6: ethane: dimethyl; ethyl hydride; methyl methane 3 1 1 C 3 H 8: propane: dimethyl methane; propyl hydride 4 2 2 C 4 H 10: n-butane: butyl hydride ...
118 chemical elements have been identified and named officially by IUPAC.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).
Skeletal structural formula of Vitamin B 12.Many organic molecules are too complicated to be specified by a molecular formula.. The structural formula of a chemical compound is a graphic representation of the molecular structure (determined by structural chemistry methods), showing how the atoms are possibly arranged in the real three-dimensional space.