# Problem: Consider the n = 3 energy level in a hydrogen atom. How many electrons can be placed in this level?A. 1B. 2C. 8D. 9E. 18

###### FREE Expert Solution

The number of available quantum states is:

$\overline{){\mathbf{2}}{{\mathbf{n}}}^{{\mathbf{2}}}}$

###### Problem Details

Consider the n = 3 energy level in a hydrogen atom. How many electrons can be placed in this level?

A. 1

B. 2

C. 8

D. 9

E. 18

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What scientific concept do you need to know in order to solve this problem?

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