10 Questions |
By Awilliams | Last updated: Jan 29, 2021
| Total Attempts: 9233
An atom is a primary piece of matter made up of protons, neutrons, and electrons called subatomic particles. The atom's center is known as the Nucleus, which carries the negative charge around which electrons flow. This quiz has been developed to test your knowledge about atomic numbers, protons, nuclear mass, and neutrons. Let's take the quiz.