24. A quantum is a finite amount of energy gained or lost by an atom.- F?

Question

25. An atom is in an excited state when it has its lowest energy.- F

26. The Bohr model of the atom shows electrons in areas called energy levels.- F?

27. The principal quantum number indicates the main energy level around the nucleus.- T

28. Electrons in pairs have opposite spin.- T

30. When electrons move to lower levels they lose energy.- T

31. Visible light is a form of electromagnetic radiation.- T

Thanks
-MC

Answer 1

24 very poorly worded, my guess they want it to be true.
26F, probably, poorly worded. The original model was F, but was revised.
others correct.

Answer 2

Thanks so much!

-MC