This quiz will help you study for the Topic 8 Test on Friday, February 25th, 2022. You need to know an element's Atomic number (what it means, where to find it, what it consists of (protons)), Mass number/atomic weight/atomic mass: what is means, where to find it(is usually a decimal), what it consists of (protons + neutrons), the 40 common elements(name and symbol), The scientists/philosophers and what they contributed to the atomic theory, etc. Check the Topic 8 study guide for more info.