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Vinil7 [7]
3 years ago
13

What is the wavelength (in nm) of the least energetic spectral line in the visible series of the H atom?

Chemistry
1 answer:
grin007 [14]3 years ago
8 0

Answer:

Brackett Series (n = 4)

Explanation:

The least energetic line of Hydrogen atom lies in <em>Brackett Series </em>when n = 4 because these are least energetic, have longer wavelengths and lies in Infrared region of spectrum.  No traces of <em>Pfund series </em>are formed by H=atoms.

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