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The energy-level diagram for a theoretical atom is shown below.

Created for Albert.io. Copyright 2017. All right reserved.

If an atom initially has an electron at the $n=4$ energy level, which of the following energies of photons could possibly be absorbed by this atom?

Select TWO answers.

A

$1.2 \text{ eV}$

B

$1.5 \text{ eV}$

C

$2.0 \text{ eV}$

D

$0.6 \text{ eV}$

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