Multiple choice Which of the following statements is correct? The different energy levels are equally spaced. The energy of the electron decreases as the value of n increases. The energy of the electrons in an atom is negative. Bohr's theory explains the spectrum of multi-electron atoms. Reveal answer Fill a bubble to check yourself C Correct answer Explanation An electron in an atom has negative energy because it is in a bound state. That means that it cannot escape the atom unless it is given energy.