I believe the most massive element that is naturally occurring on Earth is uranium (U), which has a nucleus of 92 protons
Distillation is a process of separating the component substances from a liquid mixture by selective evaporation and condensation.
Answer:
Each sample has the same number of molecules.
Explanation:
This is true by Avogadro's law.
A pure solid and a pure liquid are definitely a single phase because they are so united, or homogeneous. This leads to a homogeneous mixture also being a single phase.
The option that cannot be considered a single phase is D. a heterogeneous mixture.