Which of the responses contains all the statements that are consistent with the Bohr theory of the atom (and no others)?

Q. Which of the responses contains all the statements that are consistent with the Bohr theory of the atom (and no others)?

(1) An electron can remain in a particular orbit as long as it continually absorbs radiation of a definite frequency.

(2) The lowest energy orbits are those closest to the nucleus.

(3) An electron can jump from the K shell (n = 1 major energy level) to the M shell (n = 3 major energy level) by emitting radiation of a definite frequency.

A.            1,2,3

B.            2 only

C.            3 only

D.            1,2

Answer: 2 only