Which of the Following Statements Concerning Quantum Mechanics Is/are True

Multiple Choice

Which of the following statements concerning quantum mechanics is/are true?
1) The behavior of submicroscopic particles can sometimes be described as waves.
2) Quantum mechanics limits us to making statistical statements about the location of an electron in an atom.
3) The uncertainty principle is important only for particles of very small mass,such as the electron.

A) 1 only
B) 2 only
C) 3 only
D) 2 and 3
E) 1,2,and 3