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词汇 atomic spectrum
释义

Definition of atomic spectrum in English:

atomic spectrum

noun
  • The spectrum of frequencies of electromagnetic radiation emitted or absorbed during transitions of electrons between energy levels within an atom. Each element has a characteristic spectrum by which it can be recognized.

    核能谱

    Example sentencesExamples
    • Addition of this exclusion principle to the then current theory of atomic structure enabled many additional predictions to be made about atomic spectra and chemical combination.
    • Each element has its own unique atomic spectrum.
    • Although the Bohr model adequately explained how atomic spectra worked, there were several problems that bothered physicists and chemists.
    • But then we wouldn't see the characteristic atomic spectra of the different elements - atoms would be able to produce light of any colour, which is not what we observe.
    • He had been struggling to understand the details of atomic spectra.
    • In 1913, Danish physicist Niels Bohr developed the first model of the atom that used the concepts of quantum theory to explain atomic spectra.

Definition of atomic spectrum in US English:

atomic spectrum

nounəˈtɑmɪk ˈspɛktrəm
  • The spectrum of frequencies of electromagnetic radiation emitted or absorbed during transitions of electrons between energy levels within an atom. Each element has a characteristic spectrum by which it can be recognized.

    核能谱

    Example sentencesExamples
    • Each element has its own unique atomic spectrum.
    • Addition of this exclusion principle to the then current theory of atomic structure enabled many additional predictions to be made about atomic spectra and chemical combination.
    • Although the Bohr model adequately explained how atomic spectra worked, there were several problems that bothered physicists and chemists.
    • But then we wouldn't see the characteristic atomic spectra of the different elements - atoms would be able to produce light of any colour, which is not what we observe.
    • He had been struggling to understand the details of atomic spectra.
    • In 1913, Danish physicist Niels Bohr developed the first model of the atom that used the concepts of quantum theory to explain atomic spectra.
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