hydrogen atom

collocation in English

meaningsofhydrogenandatom

These words are often used together. Click on the links below to explore the meanings. Or,see other collocations withatomorhydrogen.
hydrogen
noun[U]
uk
/ˈhaɪ.drə.dʒən/us
/ˈhaɪ.drə.dʒən/
a chemical element that is the lightest gas, has no colour, taste, or smell, and combines with oxygen to ...
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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 ...
See more atatom

(Definition ofhydrogenandatomfrom theCambridge English Dictionary© Cambridge University Press)

Examplesofhydrogen 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.
When ahydrogenatomis abstracted from the methyl group, the cyclopropane ring of the radical produced opens up in a fast and irreversible step.
From theCambridge English Corpus
This provides a verification that a source of pumping impacts thehydrogenatomexcited state populations.
From theCambridge English Corpus
It is initiated by free-radical attack upon a lipid, resulting in the removal of ahydrogenatomfrom a methylene group adjacent to a double bond.
From theCambridge English Corpus
Of course, quantum mechanics originated from the discovery of a fundamental (and unexpected) discretisation of the light absorption or emission spectra of atoms (specifically, thehydrogenatom).
From theCambridge English Corpus
Kepler motion and thehydrogenatomare perfectly well understood, and represent central chapters in any textbook on classical or quantum mechanics.
From theCambridge English Corpus
In this reaction ahydrogenatomis removed from the alkane, then replaced by a halogen atom by reaction with a diatomic halogen molecule.
From
Wikipedia
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Thehydrogenatombonded to the oxygen is the acidic hydrogen.
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Divide the mass of ordinary matter by the mass of ahydrogenatom(divided by).
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Such quantum system is determined by the motion of one particle, like thehydrogenatom, but the properties of the system are indeed very different.
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Both the proton and electron of ahydrogenatomhave spins.
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Whereas the pyrrole molecule is planar, the arsole molecule is not, and thehydrogenatombonded to arsenic extends out of the molecular plane.
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For example, an antiproton and a positron can form an antihydrogen atom, which has almost exactly the same properties as ahydrogenatom.
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In one of them, he attempted to derive a model of thehydrogenatom.
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Whereas the commonhydrogenatomis composed of an electron and proton, the antihydrogen atom is made up of a positron and antiproton.
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Glycine however, is not chiral since its side chain is ahydrogenatom.
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An electronegative atom such as fluorine, oxygen, or nitrogen is a hydrogen bond acceptor, whether it is bonded to ahydrogenatomor not.
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An example of a polyatomic ion is the hydroxide ion - consisting of one oxygen atom and onehydrogenatom, hydroxide has a charge of 1.
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The heteroatom (oxygen) stabilizes the formation of a free radical which is formed by the abstraction of ahydrogenatomby another free radical.
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The equation is found in his notebooks from late 1925, and he appears to have prepared a manuscript applying it to thehydrogenatom.
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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.
Want to learn more?
Go to the definition ofhydrogen
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See other collocations withatom
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