The four lines observed in the visible emission spectrum of hydrogen tell us that: Group of answer choices The hydrogen molecules they came from have the formula H4. We could observe more lines if we had a stronger prism. There are four electrons in an excited hydrogen atom. Only certain energies are allowed for the electron in a hydrogen atom.
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Chemistry, 21.06.2019 17:10
There are 6.022 x 10^23 atoms of hg in 1 mole of hg. the number of atoms in 4.5 moles of hg can be found by multiplying 4.5 by 6.022 x 10^23 a. 2.7 x 10^24 b. 27 x 10^23 c. 2.71 x10^24 d. 27.099 x 10^23
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Chemistry, 21.06.2019 19:30
How many molecules of sucrose c12h22o11 are there in 454 grams of sucrose
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Chemistry, 22.06.2019 08:30
Which metal exist in liquid state and can be cut with knife ?
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The four lines observed in the visible emission spectrum of hydrogen tell us that: Group of answer c...
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