The principal line in the emission spectrum of sodium is yellow. On close examination, the line is

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The principal line in the emission spectrum of sodium is yellow. On close examination, the line is seen to be a doublet with wavelengths of 589.0 and 589.6 nm. Explain the source of this doublet.

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Physical Chemistry

ISBN: 978-0321812001

3rd edition

Authors: Thomas Engel, Philip Reid

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Question Posted: May 17, 2018 03:30 AM

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The principal line in the emission spectrum of sodium is yellow. On close examination, the line is

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The lowerlying state is the level and state 2 S 12 and the upper level is 2 ...View the full answer

Physical Chemistry

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