Is it easier to separate milk from coffee or milk from a bowl of cereal. Explain, why you made the decision you did

Because atoms of elements in the same group of thbecause atoms of elements in the same group of the periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t fe periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t f

Am i correct on these two physics questions?

What is the momentum of 70 kg runner traveling at 10 m/s?