Question

The spectrum for a given element is unique for that element. Why is that so?

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.

Answer 1

B

Answer 2

Gotcha @shamim Thanks

Answer 3

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Answer 4

Ya i wanna try to solve ur questikn

Answer 5

*question