Rutherford's gold foil experiment proved that there was a small, dense, positively charged nucleus at the center, which contained most of the mass of the atom. Which contained electrons orbiting the nucleus.
Non-volatile solutes such as salt raises the boiling point of water. Hope the answer helps! Good luck!
This one is beta decay (the -1 subscript tells us that)
Answer: There are about 0.28 molecules in 43.9 g of carbon tetrachloride. If you are rounding up, it would be 0.3
Explanation:
Sodium ions and sulfate ions shall be present in the solution.