Question
Chemistry Question on Structure of atom
Which electronic level would allow the hydrogen atom to absorb a photon but not to emit a photon?
A
3s
B
2p
C
2s
D
1s
Answer
1s
Explanation
Solution
When electron jumps to lower orbit photons are emitted while photons are absorbed when electron jumps to higher orbit.1s-orbital is the lower most, electron in this orbital can absorb photons but cannot emit.