1) Kind of molecular link
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https://www.crosswordclues.com/clue/double-bond
A double bond in chemistry is a chemical bond between two chemical elements involving four bonding electrons instead of the usual two. The most common double bond, that is between two carbon atoms, can be found in alkenes. Many types of double bonds exist between two different elements. for example, in a carbonyl group with a carbon atom and an ox...
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http://en.wikipedia.org/wiki/Double_bond
(from the article `covalent bond`) A single line indicates a bond between two atoms (i.e., involving one electron pair), double lines () indicate a double bond between two atoms (i.e., ... First, an atom may complete its octet by sharing more than one pair of electrons with a bonded neighbour. Two shared pairs of electrons, represented ...
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http://www.britannica.com/eb/a-z/d/69
When an atom is bonded to another atom by two sets of electron pairs.
Found on
http://www.chemicalglossary.net/definition/616-Double_Bond
Covalent bond resulting from the sharing of four electrons (two pairs) between two atoms.
Found on
http://www.chemistry-dictionary.com/definition/double+bond.php
Covalent bond resulting from the sharing of four electrons (two pairs) between two atoms.
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http://www.encyclo.co.uk/local/20728
<chemistry> A covalent bond resulting from the sharing of two pairs of electrons; e.g., H2C==CH2 (ethylene). ... (05 Mar 2000) ...
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http://www.encyclo.co.uk/local/20973
a covalent bond in which two atoms share two pairs of electrons.
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http://www.encyclo.co.uk/local/21001
Type: Term Definitions: 1. a covalent bond resulting from the sharing of two pairs of electrons, H
2C=CH
2 (ethylene).
Found on
http://www.medilexicon.com/medicaldictionary.php?t=11162
When an atom is bonded to another atom by two sets of electron pairs.
Found on
http://www.shodor.org/UNChem/glossary.html
When an atom is bonded to another atom by two sets of electron pairs.
Found on
https://www.encyclo.co.uk/local/20687
noun a covalent bond in which two pairs of electrons are shared between two atoms
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https://www.encyclo.co.uk/local/20974
a chemical linkage consisting of two covalent bonds between two atoms of a molecule, represented in chemical formulas by two lines, two dots, or four dots, as CH=CH; CH:CH; CH::CH.
Found on
https://www.infoplease.com/dictionary/double-bond
No exact match found.
