Answers

2015-10-30T19:40:40+08:00
Azimuth (azimuthal is related to azimuth) of a celestial body is the angle between the vertical plane containing it and the plane of the meridian.  

The azimuthal quantum number (l) is the quantum number that represents the angular momentum of an atomic orbital.
 

Azimuthal Quantum Number of 2 is 1. Because...
      l = n - 1
      l = 2 - 1
      l = 1

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