The total energy of revolving electron in an atom_____________
Correct answer: B. Can never be positive
- A. Will always be positive
- B. Can never be positive
- C. Can have any value above zero
- D. Cannot be negative
Explanation
An electron bound to an atom has negative total energy when zero energy is defined as the electron completely free from the atom. A positive total energy would describe an unbound electron, so “can never be positive” is the intended choice.
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