Which of the following statements is not true?
选项:
A: Free electrons are valence electrons that have been permanently separated from an atom.
B: As a free electron, the electron possesses more energy than it did as a valence electron.
C: One way to provide the additional energy needed to free an electron is to heat the atom.
D: Subjecting the atom to an electric field can free the atom.
发布时间:2024-06-16 12:55:52