| 单词 | atomic spectrum |
| 例句 | Pauli, in an attempt to explain the structure of atomic spectra and the periodic table, had recently postulated that electrons had a “two-valuedness not describable classically.” Quantum Particles Aren’t Spinning. So Where Does Their Spin Come From? 2022-11-22T05:00:00Z We now know that these EM emissions come from electrons transitioning between energy levels in individual atoms and molecules; thus, they are called atomic spectra. College Physics for AP Courses 2015-08-12T00:00:00Z Whether analysing planetary motion, atomic spectra or subatomic particles, physicists do not define a system by empirical data. Perspective: Finding cancer's first principles 2012-11-23T15:20:53.617Z Bohr’s theory explained the atomic spectrum of hydrogen and established new and broadly applicable principles in quantum mechanics. College Physics for AP Courses 2015-08-12T00:00:00Z Figure 30.14 Niels Bohr, Danish physicist, used the planetary model of the atom to explain the atomic spectrum and size of the hydrogen atom. College Physics for AP Courses 2015-08-12T00:00:00Z Detailed treatment of space quantization began to explain some complexities of atomic spectra, but certain patterns seemed to be caused by something else. College Physics for AP Courses 2015-08-12T00:00:00Z It was a major puzzle that atomic spectra are quantized. College Physics for AP Courses 2015-08-12T00:00:00Z Both were first discovered for electrons in conjunction with fine structure in atomic spectra. College Physics for AP Courses 2015-08-12T00:00:00Z The most common elements in the universe, as determined by observations of atomic spectra from outer space, are hydrogen, followed by 4 He , with much smaller amounts of 12 C and other elements. College Physics for AP Courses 2015-08-12T00:00:00Z They are akin to lines in atomic spectra, implying the energy levels of atoms are quantized. College Physics for AP Courses 2015-08-12T00:00:00Z Phenomena such as discrete atomic spectra and characteristic x rays are explored further in Atomic Physics. College Physics for AP Courses 2015-08-12T00:00:00Z Another indication of energy levels being quantized in atoms and molecules comes from the lines in atomic spectra, which are the EM emissions of individual atoms and molecules. College Physics for AP Courses 2015-08-12T00:00:00Z The spikes in the fluorescent output are due to atomic spectra—a topic that will be explored later. College Physics for AP Courses 2015-08-12T00:00:00Z |
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