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Words related to radon

ra·don
R r

  • actinon

    a radioisotope of radon that is a decay product of radium. Symbol: An or 219Rn; atomic no: 86; half-life: 3.92s

  • emanation

    An abstract but perceptible thing that issues or originates from a source.

  • niton

    (formerly) radon. Symbol: Nt.

  • noble gas

    any of the chemically inert gaseous elements of group 8A or 0 of the periodic table: helium, neon, argon, krypton, xenon, and radon.

  • radium

    Chemistry. a highly radioactive metallic element whose decay yields radon gas and alpha rays. Symbol: Ra; atomic weight: 226; atomic number: 88.

  • radium a

    a substance, formed by decay of radon, that gives rise to radium B.
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