What is the difference between speed and velocity? a.) They are the same thing
b.) Speed accounts for direction and how fast an object moves
C.) Velocity accounts for direction and how fast an object moves
d.) Speed is change in velocity over time

if two electrons have the same n, the same ℓ, and the same ml, then they are in the same orbital. the pauli exclusion principle states that no two identical fermions (a fancy word for electrons and other subatomic particles like electrons) may occupy the same quantum state in an atom simultaneously.

the answer would be b i believe