The right answer is 2.
The number of protons contained in a nucleus (called an atomic number) is characteristic of a chemical element. For a given atomic number, the number of neutrons defines different "types" of this element: isotopes. The variation of the number of protons of the nucleus of an atom, during a nuclear reaction for example, causes a change of the element studied.
The Correct Answer Is 3.2
Answer:
is an example of precipitation from a solution.
Explanation:
1 gram of sugar because super molecules are bigger then the ions of dissolved salt
