JJ Thompson discovered electrons
Answer:
That something has changed chemically
Explanation:
Uh...Google it
Answer: They are referred to as isotopes, which are a form of an element that has different numbers of neutrons in their nucleus.
Answer:
A
Explanation:
In chemistry, a mixture is a material made up of two or more different substances which are not chemically combined. A mixture is the physical combination of two or more substances in which the identities are retained and are mixed in the form of solutions, suspensions, and colloids.
<span>C) Density of the particles of solute in the solution</span>
