Q. The Heisenberg Principle states that _____________
A. no two electrons in the same atom can have the same set of four quantum numbers.
B. two atoms of the same element must have the same number of protons.
C. it is impossible to determine accurately both the position and momentum of an electron simultaneously.
D. electrons of atoms in their ground states enter energetically equivalent sets of orbitals singly before they pair up in any orbital of the set.
Answer: it is impossible to determine accurately both the position and momentum of an electron simultaneously.
