In Quantum Mechanics, an Atomic Orbital _______

In quantum mechanics, an atomic orbital _______.

A) provides the position of an electron at any instant of time in the space around an atomic nucleus.
B) provides the probability of finding an electron at any point in the space around an atomic nucleus.
C) is identical to the orbits Bohr used in his analysis of the hydrogen atom.
D) identifies the most probable position of an atomic nucleus.
E) locates all the electrons in an atom.