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: 1182 | 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: 1147 | Last updated: Mar 21, 2022
Who proposed that everything was made of tiny particles, called atomos, surrounded by empty space?
This quiz covers the atomic theory including its history as well as how to use the periodic table to calculate #s of subatomic particles.
Questions: 15 | Attempts: 599 | Last updated: Mar 21, 2022
How many electrons can fit in the FIRST electron shell/orbital?