The Electronvolt

The Electronvolt problem 1

An electron in an atom has passed into a state with an energy of 0 eV. Find out which of the following statements is correct and explain why.

  • The electron hit the atomic nucleus.

  • The electron went into a lower energy state by emitting a photon.

  • Photon collided with the electron and handed over its energy to it.

  • This electron collided with another electron and died.


material editor: Joanah Frank