Chemistry

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What is a photon? Several selections may be correct.

Has an energy of equal to hν.

Is a unit of electromagnetic radiation.

Is a part of the electromagnetic spectrum.

Is usually called visible light.

None of these.

  • Chemistry -

    Has an energy of equal to hν.
    Yes.<
    Is a unit of electromagnetic radiation.
    Initially I wrote no; however, I GUESS that if we say that electromagnetic radiation is composed of photons; perhaps that is the same as saying that a photon is a unit (two hotons, 10 photons, etc) but this is a strange way of saying it.

    Is a part of the electromagnetic spectrum.
    An individual photon fits somewhere on the electromagnetic spectrum.

    Is usually called visible light.
    No, although visible light is composed of photons.

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