In a hydrogen atom,an electron in a 1s orbital can ________ a photon,but cannot ________ a photon.
A)accept, absorb
B)absorb, accept
C)absorb, emit
D)emit, absorb
E)emit, accept

Question

Quizplus · Accepted Answer

An electron in a 1s orbital can absorb a photon to be excited to a higher energy level, but it cannot accept a photon as there is no lower energy level for it to transition to. However, it can emit a photon when it transitions back to a lower energy level. Therefore, the correct choices are absorb and emit, which are present in option C only.

In a Hydrogen Atom,an Electron in a 1s Orbital Can