The History of n Is this the same n that Bohr connected with his energy levels? Essentially, yes, although Bohr arrived at his n by using a lot of inapplicable ideas; he pictured the electrons orbiting the nucleus like miniature planets, which, as we've told you ad nauseum, just doesn't happen. (It's really amazing how productive this picture is, considering that it's completely inaccurate.) Bohr's n was also tied up with angular momentum, an association it's lost in modern quantum mechanics.

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