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In: Chemistry

1. Which involves an emission of greater energy in the H atom, an emission from n=5...

1. Which involves an emission of greater energy in the H atom, an emission from n=5 to n=2 or a emission from n=4 to n=1? Explain.

2. Calculate the energy of transmission from n=3 to n=1. In what region of electromagnetic spectrum is this radiation found?

3. Excited H atoms give off radiation in the infrared region known by the Pfund series. It results when electrons fall from higher energy levels to n=5. Calculate the energy and the frequency of the lowest energy line in the series.

4. Consider the first 4 energy levels for the H atom where n= 1-4.

a)How many emission lines are possible?

b) Photons of highest energy are emitted in transition from n= _____ to n= _____.

c) Photons of lowest energy in transition from n= _____ to n= _____.

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