B. A chemical change has occurred and energy was given off
Answer:
<em>The electrons in an atom can only occupy certain allowed energy levels to a lower one</em>, the excess energy is emitted as a photon of light, with its wavelength dependent on the change in electron energy. This is why an atom can only emit specific wavelengths of light and not every possible wavelength.
where are equations dear????
Answer:
positive and negative
Explanation:
ik its prob not helpful now but ye sorry no ones answered lol
