radioactive atom
collocation in Englishmeaningsofradioactiveandatom
These words are often used together. Click on the links below to explore the meanings. Or,see other collocations withatom.
radioactive
adjective
uk/ˌreɪ.di.əʊˈæk.tɪv/us/ˌreɪ.di.oʊˈæk.tɪv/
having or producing powerful and dangerous energy that comes from the breaking up ...
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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 ofradioactiveandatomfrom theCambridge English Dictionary© Cambridge University Press)
Examplesofradioactive atom
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In other words, the "probability" of aradioactiveatomdecaying within its half-life is 50%.
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At the top is aradioactiveatomwhich envelops a man in smoke.
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Thus, in an internal conversion process, a high-energy electron is emitted from theradioactiveatom, but not from a nucleon in the nucleus.
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Theradioactiveatomsupplies a signal that can be monitored.
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Environmental scientists use radioactive atoms, known as tracer atoms, to identify the pathways taken by pollutants through the environment.
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Glucose can be labeled with either stable or radioactive atoms.
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Only a fraction of the radioactive atoms can be ionized before decay or extraction.
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For example, if there are 3 radioactive atoms with a half-life of one second, there will not be 1.5 atoms left after one second.
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Thus, gamma photoelectric-effect electron emission may "also" cause high-speed electrons to be emitted from radioactive atoms without beta decay.
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The positron emitting radioisotopes used are produced by a cyclotron, and chemicals are labeled with these radioactive atoms.
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The production and formation of these radioactive atoms into an ionic beam for study is an entire field of research carried out at many laboratories throughout the world.
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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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