MCAT Question A Day - 10/25/14 - Answer!
When an electron moves from a 2p to a 3s orbital, the atom containing that electron:
A. becomes a new isotope.
B. becomes a new element.
C. absorbs energy.
D. releases energy.
C is correct. The atom must absorb energy in order for one of its electrons to move to a higher energy level orbital.
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C is correct. The atom must absorb energy in order for one of its electrons to move to a higher energy level orbital.
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