Are you aware of atomic theory? Atomic theory is the scientific concept that matter is made up of atoms. According to this perspective, if you were to take a piece of matter and cut it into smaller fragments that are all the...
Questions: 9 | Attempts: 1202 | Last updated: Mar 22, 2022
What scientist was the first to conclude through experimentation that atoms have positive charges in their nuclei?
Quiz: History of the atomic theory! Atoms are the smallest units of matter, and they combine to form compounds. Do you know that a chemical reaction is only said to have occurred if atoms have been rearranged? Do take up the quiz...
Questions: 13 | Attempts: 1195 | Last updated: Mar 21, 2022
Who proposed that everything was made of tiny particles, called atomos, surrounded by empty space?
Questions: 5 | Attempts: 742 | Last updated: Mar 22, 2022
He said that the atom resembles a tiny rock.