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|electron ||element ||ground state
|ion ||isotope ||neutron
- Where are electrons, protons, and
neutrons located in the atom? Can the electron be found at any position or
energy in the atom?
- How does the Bohr atom model explain emission line spectra?
- Which produces a shorter wavelength of light: an electron jumping
the 6th to 2nd energy level, or one jumping from 3rd to 2nd energy level?
Explain your answer.
- How does the Bohr atom model explain absorption line spectra?
- Which would produce an absorption line at a longer wavelength: an
electron jumping from the 1st to 5th energy level, or one jumping from 1st to
3rd energy level? Explain your answer.
- Which will produce a stronger absorption line: a 10,000 K cloud with 100
particles in front of a hot star or a 10,000 K cloud with 1,000,000 particles
in front of a hot star? Why is that?
- If the atom absorbs a photon and later emits it, why do we see any
absorption lines at all?
- How does the Bohr atom model explain thermal spectra?
- How will the spectra from atoms of the hydrogen isotopes deuterium and tritium
compare to the spectra of ordinary hydrogen atoms?
- Why would you not expect the absorption lines of the calcium ion
Ca+ to be the same as the ones of neutral calcium Ca?
- Will the hydrogen ion H+ produce any absorption lines or
emission lines? Explain your answer.
- How do we know that the laws of physics (nature) are the same everywhere in the universe and that they are the same throughout time?
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June 10, 2010
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