| Questions | Answers |
|---|---|
| The smallest particle on earth | Atoms |
| positively charged particles (+) | Protons |
| Carry no charge at all | Neutrons |
| The center of the atom | Nucleus |
| Negatively charged particles; located in the space surrounding the nucleus | Electrons |
| ON of several forms of a single element, which contains the same number of protons but different numbers of neutrons | Isotope |
| Pure substance that consists entirely of one type of atom. | Element |
And here are some other online quizzes in the category 'Biology - Circulatory, Respiratory, Digestive Systems, Etc.':
Science Quiz
Cells and Systems Final Test
ESL 2181 for PSY 1101 Hearing
Unit 7 Vocabulary Quiz
Human Biology
Science Pop Quiz
FPOS Level 2