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- Chemical_formula abstract "A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using a single line of chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs. These are limited to a single typographic line of symbols, which may include subscripts and superscripts. A chemical formula is not a chemical name, and it contains no words. Although a chemical formula may imply certain simple chemical structures, it is not the same as a full chemical structural formula. Chemical formulas can fully specify the structure of only the simplest of molecules and chemical substances, and are generally more limited in power than are chemical names and structural formulas.The simplest types of chemical formulas are called empirical formulas, which use letters and numbers indicating the numerical proportions of atoms of each type. Molecular formulas indicate the simple numbers of each type of atom in a molecule, with no information on structure. For example, the empirical formula for glucose is CH2O (twice as many hydrogen atoms as carbon and oxygen), while its molecular formula is C6H12O6 (12 hydrogen atoms, six carbon and oxygen atoms).Sometimes a chemical formula is complicated by being written as a condensed formula (or condensed molecular formula, occasionally called a \"semi-structural formula\"), which conveys additional information about the particular ways in which the atoms are chemically bonded together, either in covalent bonds, ionic bonds, or various combinations of these types. This is possible if the relevant bonding is easy to show in one dimension. An example is the condensed molecular/chemical formula for ethanol, which is CH3-CH2-OH or CH3CH2OH. However, even a condensed chemical formula is necessarily limited in its ability to show complex bonding relationships between atoms, especially atoms that have bonds to four or more different substituents.Since a chemical formula must be expressed as a single line of chemical element symbols, it often cannot be as informative as a true structural formula, which is a graphical representation of the spacial relationship between atoms in chemical compounds (see for example the figure for butane structural and chemical formulas, at right). For reasons of structural complexity, there is no condensed chemical formula (or semi-structural formula) that specifies glucose (and there exist many different molecules, for example fructose and mannose, have the same molecular formula C6H12O6 as glucose). Linear equivalent chemical names exist that can and do specify any complex structural formula (see chemical nomenclature), but such names must use many terms (words), rather than the simple element symbols, numbers, and simple typographical symbols that define a chemical formula.Chemical formulas may be used in chemical equations to describe chemical reactions and other chemical transformations, such as the dissolving of ionic compounds into solution. While, as noted, chemical formulas do not have the full power of structural formulas to show chemical relationships between atoms, they are sufficient to keep track of numbers of atoms and numbers of electrical charges in chemical reactions, thus balancing chemical equations so that these equations can be used in chemical problems involving conservation of atoms, and conservation of electric charge.".
- Chemical_formula thumbnail Aluminium_sulfate.jpg?width=300.
- Chemical_formula wikiPageID "7043".
- Chemical_formula wikiPageLength "20761".
- Chemical_formula wikiPageOutDegree "113".
- Chemical_formula wikiPageRevisionID "708262894".
- Chemical_formula wikiPageWikiLink ASCII.
- Chemical_formula wikiPageWikiLink Acetic_acid.
- Chemical_formula wikiPageWikiLink Alcohol.
- Chemical_formula wikiPageWikiLink Alphabetical_order.
- Chemical_formula wikiPageWikiLink Aluminium_sulfate.
- Chemical_formula wikiPageWikiLink Analytical_chemistry.
- Chemical_formula wikiPageWikiLink At_sign.
- Chemical_formula wikiPageWikiLink Atom.
- Chemical_formula wikiPageWikiLink Atomic_number.
- Chemical_formula wikiPageWikiLink Boron_carbide.
- Chemical_formula wikiPageWikiLink Bracket.
- Chemical_formula wikiPageWikiLink Buckminsterfullerene.
- Chemical_formula wikiPageWikiLink Butane.
- Chemical_formula wikiPageWikiLink C6H12O6.
- Chemical_formula wikiPageWikiLink Caesium_dodecaborate.
- Chemical_formula wikiPageWikiLink Carbon.
- Chemical_formula wikiPageWikiLink Category:Chemical_formulas.
- Chemical_formula wikiPageWikiLink Category:Chemical_nomenclature.
- Chemical_formula wikiPageWikiLink Category:Notation.
- Chemical_formula wikiPageWikiLink Chemical_bond.
- Chemical_formula wikiPageWikiLink Chemical_compound.
- Chemical_formula wikiPageWikiLink Chemical_element.
- Chemical_formula wikiPageWikiLink Chemical_equation.
- Chemical_formula wikiPageWikiLink Chemical_nomenclature.
- Chemical_formula wikiPageWikiLink Chemical_reaction.
- Chemical_formula wikiPageWikiLink Chemical_substance.
- Chemical_formula wikiPageWikiLink Chemistry.
- Chemical_formula wikiPageWikiLink Connectivity_(graph_theory).
- Chemical_formula wikiPageWikiLink Covalent_bond.
- Chemical_formula wikiPageWikiLink Decimal.
- Chemical_formula wikiPageWikiLink Dichlorine_hexoxide.
- Chemical_formula wikiPageWikiLink Dictionary_of_chemical_formulas.
- Chemical_formula wikiPageWikiLink Dimethyl_ether.
- Chemical_formula wikiPageWikiLink Double_bond.
- Chemical_formula wikiPageWikiLink Elemental_analysis.
- Chemical_formula wikiPageWikiLink Empirical_formula.
- Chemical_formula wikiPageWikiLink Endohedral_fullerene.
- Chemical_formula wikiPageWikiLink Ethane.
- Chemical_formula wikiPageWikiLink Ethanol.
- Chemical_formula wikiPageWikiLink Ethylene.
- Chemical_formula wikiPageWikiLink Formaldehyde.
- Chemical_formula wikiPageWikiLink Formula_unit.
- Chemical_formula wikiPageWikiLink Fructose.
- Chemical_formula wikiPageWikiLink Fullerene.
- Chemical_formula wikiPageWikiLink Functional_group.
- Chemical_formula wikiPageWikiLink Glucose.
- Chemical_formula wikiPageWikiLink Hexane.
- Chemical_formula wikiPageWikiLink Homologous_series.
- Chemical_formula wikiPageWikiLink Hydrocarbon.
- Chemical_formula wikiPageWikiLink Hydrogen.
- Chemical_formula wikiPageWikiLink Hydrogen_peroxide.
- Chemical_formula wikiPageWikiLink Hydronium.
- Chemical_formula wikiPageWikiLink IUPAC_nomenclature_of_inorganic_chemistry.
- Chemical_formula wikiPageWikiLink IUPAC_nomenclature_of_inorganic_chemistry_2005.
- Chemical_formula wikiPageWikiLink IUPAC_nomenclature_of_organic_chemistry.
- Chemical_formula wikiPageWikiLink Integer.
- Chemical_formula wikiPageWikiLink International_Chemical_Identifier.
- Chemical_formula wikiPageWikiLink Ion.
- Chemical_formula wikiPageWikiLink Ionic_bonding.
- Chemical_formula wikiPageWikiLink Ionic_compound.
- Chemical_formula wikiPageWikiLink Isobutane.
- Chemical_formula wikiPageWikiLink Isomer.
- Chemical_formula wikiPageWikiLink Isotope.
- Chemical_formula wikiPageWikiLink Lanthanum.
- Chemical_formula wikiPageWikiLink Mannose.
- Chemical_formula wikiPageWikiLink Metal_ammine_complex.
- Chemical_formula wikiPageWikiLink Methyl_group.
- Chemical_formula wikiPageWikiLink Molecular_geometry.
- Chemical_formula wikiPageWikiLink Molecule.
- Chemical_formula wikiPageWikiLink Non-stoichiometric_compound.
- Chemical_formula wikiPageWikiLink Nuclear_chemistry.
- Chemical_formula wikiPageWikiLink Nuclear_reaction.
- Chemical_formula wikiPageWikiLink Organic_compound.
- Chemical_formula wikiPageWikiLink Periodic_table.
- Chemical_formula wikiPageWikiLink Polyatomic_ion.
- Chemical_formula wikiPageWikiLink Polymer.
- Chemical_formula wikiPageWikiLink Simplified_molecular-input_line-entry_system.
- Chemical_formula wikiPageWikiLink Stable_isotope_ratio.
- Chemical_formula wikiPageWikiLink Structural_formula.
- Chemical_formula wikiPageWikiLink Subscript_and_superscript.
- Chemical_formula wikiPageWikiLink Sulfate.
- Chemical_formula wikiPageWikiLink Symbol_(chemistry).
- Chemical_formula wikiPageWikiLink Triple_bond.
- Chemical_formula wikiPageWikiLink Water.
- Chemical_formula wikiPageWikiLink File:Aluminium_sulfate.jpg.
- Chemical_formula wikiPageWikiLink File:Butan_Lewis.svg.
- Chemical_formula wikiPageWikiLink File:Endohedral_fullerene.png.
- Chemical_formula wikiPageWikiLink File:Isobutane_numbered_2D.svg.
- Chemical_formula wikiPageWikiLinkText "'''chemical''' formulas".
- Chemical_formula wikiPageWikiLinkText "Chemical formula".
- Chemical_formula wikiPageWikiLinkText "Chemical formula#Molecular formula".
- Chemical_formula wikiPageWikiLinkText "Chemical notation".
- Chemical_formula wikiPageWikiLinkText "Chemical".
- Chemical_formula wikiPageWikiLinkText "Composition".