A scientist combines oxygen and hydrogeh to form water. That combination illustrates that water is a O an atom
O a mixture
O an element
O a compound

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.

what are the statements