The energy of the first level in an atom is 2.2×10-18 J, and the energy of the second energy level is 1.6×10-18 J. What is the energy of the photon that is emitted if an electron moves from the second level to the first?
A) 3.5×10-36 J
B) 6.0 ×10-18 J
C) 3.5×10-18 J
D) 6.0×10-19 J
Correct Answer:
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