nitrogen atom

collocation in English

meaningsofnitrogenandatom

These words are often used together. Click on the links below to explore the meanings. Or,see other collocations withatomornitrogen.
nitrogen
noun[U]
uk
/ˈnaɪ.trə.dʒən/us
/ˈnaɪ.trə.dʒən/
a chemical element that is a gas with no colour or taste, forms most of the earth's atmosphere, and is a part of all ...
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atom
noun[C]
uk
/ˈæt.əm/us
/ˈæt̬.əm/
the smallest unit of any chemical element, consisting of a positive nucleus surrounded by negative electrons. Atoms can combine to form ...
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(Definition ofnitrogenandatomfrom theCambridge English Dictionary© Cambridge University Press)

Examplesofnitrogen atom

These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
First, compounds derived from tryptamine, or from ring-hydroxy tryptamines which have been substituted at thenitrogenatomof the side chain by an alkyl group or groups.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
These molecules are unsaturated and contain anitrogenatomin the ring.
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For example, bases donating a lone pair from an oxygen atom are harder than bases donating through anitrogenatom.
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Aromatic amines have thenitrogenatomconnected to an aromatic ring as in the various anilines.
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In the third step, an isomerization step protonates thenitrogenatomleading to the amide.
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In non-basic aromatic rings the lone pair of electrons of thenitrogenatomis delocalized and contributes to the aromatic pi electron system.
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Those originate from the amino acid phenylalanine, but acquire theirnitrogenatomnot from the amino acid but through transamination.
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The proton on thenitrogenatomcan be replaced by a carbon atom of a polymer to create an ion-exchange resin, such as chelex 100.
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This group, known as the cyano group, consists of a carbon atom triple-bonded to anitrogenatom.
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A nitrogenous, or nitrogen-containing, base is an organic molecule with anitrogenatomthat has the chemical properties of a base.
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The aspartate residue stabilizes the positive charge on thenitrogenatomin the oxazolinium ion intermediate.
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Thenitrogenatomhas only 5 valence electrons and is therefore considered an electrophile.
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The compound can act as both an acid or a base, due to its acidic proton on the hydroxyl group and the basicnitrogenatom.
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The nucleophilic addition at thenitrogenatomleads to a further deactivation of the aromatic properties and hindering of the electrophilic substitution.
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The organic fragment is connected to the isocyanide group via thenitrogenatom, not via the carbon.
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It is derived from erythromycin, with a methyl-substitutednitrogenatomincorporated into the lactone ring, thus making the lactone ring 15-membered.
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When thenitrogenatombonds to the cobalt atom, the nitro compound is formed.
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Thenitrogenatomcan be part of the diene or the dienophile.
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This lone pair is responsible for the basicity of these nitrogenous bases, similar to thenitrogenatomin amines.
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The lone pair of electrons on thenitrogenatomof pyridine is not delocalized, and thus pyridine can be protonated easily.
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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