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AURORKA [14]
3 years ago
7

Explain why a single atom of hydrogen cannot produce all four hydrogen spectral lines simultaneously.

Chemistry
1 answer:
brilliants [131]3 years ago
7 0
<span>When the electron in a hydrogen atom transitions from a high energy state to a lower energy state, the energy lost from the electron is used to produce a photon corresponding to the loss of energy. That photon will correspond to exactly 1 wavelength. And since a hydrogen atom has only 1 electron, at any given moment, it can only produce 1 photon. And in order to simultaneously produce 4 photons for 4 spectral lines, that would require a simultaneous transition of 4 electrons which is 3 too many for a hydrogen atom.</span>
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Chemistry an atom of strontium has at least four different isotopes. what is different between an isotope of 86sr and an isotope
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Isotopes are atoms of the same element that differ in the number of neutrons.

Remember that all the atoms of an element have the same number of protons. So the only difference between isotopes of an element is the number of neutrons.

86 Sr means that the mass number of this isotope is 86. Also, remember that the mass number is the number of protons plus the number of neutrons.

87 Sr means that the mass number of this isotope is 87.

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What will be the mass of 9.95 liters of propane gas (C3H8) at STP?
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Answer:

19.5g

Explanation:

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To solve this problem, find the number of moles first.

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