formula; chemical formula. Compare with empirical formula. A notation that indicates the type and number of atoms in a molecule. The molecular formula of glucose is C
6H
12O
6, which indicates that a molecule of glucose contains 6 atoms of carbon, 12 atoms of hydrogen, and 6 atoms of oxygen.
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http://antoine.frostburg.edu/chem/senese/101/glossary/m.shtml
(from the article `mass spectrometry`) ...and C4H4O2+ are, for example, 84.0939 and 84.0211, respectively, and these ions can easily be distinguished solely on the basis of their masses. ...
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http://www.britannica.com/eb/a-z/m/109
shows the actual number of atoms in compound. Ex. C2H4
Found on
http://www.chemicalglossary.net/definition/1125-MOLECULAR_FORMULA
Shows the number of atoms of each element present in a molecule.
Found on
http://www.chemicalglossary.net/definition/1138-Molecular_Formula
Formula that indicates the actual number of atoms present in a molecule of a molecular substance.
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http://www.chemistry-dictionary.com/definition/molecular+formula.php
The formula of a chemical compound, showing the kind and arrangement of atoms in the molecule, but not their arrangement.
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http://www.daviddarling.info/encyclopedia/M/molecular_formula.html
The Molecular Formula shows the exact number of each type of atom in a molecule of a substance. For example, C
2H
6 is the 'molecular formula' of ethane. One molecule of ethane contains two atoms of carbon and six atoms of hydrogen. Its 'empirical formula' is CH
3.
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http://www.encyclo.co.uk/local/20138
Formula that indicates the actual number of atoms present in a molecule of a molecular substance.
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http://www.encyclo.co.uk/local/20728
Synonym for empirical formula ... In chemistry, a formula indicating the kind and number of atoms in the molecules of a substance, or its composition, but not the relation of the atoms to each other or the intimate structure of the molecule. ... Synonym: molecular formula. ... (05 Mar 2000) ...
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http://www.encyclo.co.uk/local/20973
a chemical formula expressing the number of each element present in a substance, without indicating how they are linked.
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http://www.encyclo.co.uk/local/21001
The number and types of atom in a molecule. For example the molecular formula of methane is CH
4, one atom of carbon and four atoms of hydrogen
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http://www.fisicx.com/quickreference/science/glossary.html
Type: Term Synonyms: empiric formula
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The number and types of atom in a molecule
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http://www.quick-facts.co.uk/science/glossary.html
Shows the number of atoms of each element present in a molecule.
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http://www.shodor.org/UNChem/glossary.html
[
n] - a chemical formula based on analysis and molecular weight
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http://www.webdictionary.co.uk/definition.php?query=molecular%20formula
Shows the number of atoms of each element present in a molecule e.g. H
2O See also: Atom, Structural Formula.
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https://www.encyclo.co.uk/local/20687
noun a chemical formula based on analysis and molecular weight
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https://www.encyclo.co.uk/local/20974
In chemistry, formula indicating the actual number of atoms of each element present in a single molecule of a chemical compound. For example, the molecular formula of carbon dioxide is CO
2, indicating that one molecule of carbon dioxide is made up of one atom of carbon and two atoms of oxygen. This is determined by two pieces...
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https://www.encyclo.co.uk/local/21221
describes the ratio of elements in a molecule.
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https://www.encyclo.co.uk/local/22434
a chemical formula that indicates the kinds of atoms and the number of each kind in a molecule of a compound. Cf.
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https://www.infoplease.com/dictionary/molecular-formula
No exact match found.
