Which of the following energy level may bring absorption of photon but never emission of photon? — Atomic Structure Chemistry Question

💡 Solution & Explanation

The 1s level is the lowest possible energy state (ground state). An electron in the 1s state can absorb a photon to jump to a higher level, but since there is no level below 1s, it can never undergo a transition emitting a photon. Therefore, correct answer is C.