destingray34 destingray34

08-03-2018
Chemistry

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Please help!!!!! Why is a spectrum for a given element unique for that element? A. No element has more than two electrons in the first shell. B. Each element has a unique arrangement of electrons. C. Atoms of different elements have different masses. D. Atomic nuclei contain no electrons.

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noorsaadeh noorsaadeh

08-03-2018

The correct answer for this question is B.

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