| Question | Answer |
|---|---|
| Unchanged particle in the nucleus of an atom is | neutron |
| Positively Charged particle in the nucleus | proton |
| The number of protons in the nucleus | atomic number |
| Region surrounding the atom's nucleus where electrons are found | electron cloud |
| Where is the most mass in an atom found | nucleus |
| The nucleus contains particles called | neutrons and protons |
| A negatively charged particle in an atom | electron |
| The electron cloud holds how many _______ in each ring | 8 electrons |
| The nucleus has a ________ charge | positive |
| The modern model of an atom is called the (electron-cloud/ nucleus-orbit) model | electron-cloud |
| Electrons that are closer to the nucleus have ______energy than others farther away | less |
