1.

absorption: lower to higher energy level

emission: higher energy to lower energy level

1. For a hydrogen-like atom, classify these electron transitions by whether they result in the (absorption) or (emission) of light?

n=1 to n=3

n=2 to n=1

n=3 to n=2

n=3 to n=5

2. Ignoring sign, which transition is associated with the greatest energy change?

n=1 to n=3

n=2 to n=1

n=3 to n=2

n=3 to n=5

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