| Atoms | ||
| #1 | Moves around the nucleus of an atom | electrons |
| #2 | same # of protons but different # of neutrons | isotopes |
| #3 | where electrons can move about | energy levels or electron cloud |
| #4 | charge particles that form when atoms lose or gains electrons | ions |
| #5 | The current model of the atom | electron cloud model |
| Periodic Table | ||
| #1 | The most reactive group | Group 1/Alkali Metals |
| #2 | tells the number of protons of an atom | atomic number |
| #3 | the sum of protons and neutrons | atomic mass |
| #4 | The group that does not like to react | Noble gases/Group 18 |
| #5 | what can group numbers on the Periodic Table help you determine | valence electrons |
| Elements and Periodic Table | ||
| #1 | Which element has an atomic number of 54? | Xenon |
| #2 | How many neutrons does Carbon have? | 6 |
| #3 | Which element has 92 protons? | Uranium |
| #4 | T/F: Plutonium is radioactive | True |
| #5 | elements with same chemical properties, same ______. | Group |
| Chemical or Physical Change | ||
| #1 | Ice Melting | Physical |
| #2 | Polishing silver | Chemical |
| #3 | Making toast | Chemical |
| #4 | Face blushing | Physical |
| #5 | A new substance is formed | Chemical |
| Chemical Reaction and Compounds | ||
| #1 | the substances you begin with | reactants |
| #2 | chemical formula of salt | NaCl |
| #3 | energy (heat) was released due to reaction | exothermic reaction |
| #4 | 1 type of atom is to element as 2 or more type of atom is to ______. | compounds |
| #5 | mass cannot be destroyed or created | Law of Conservation of Mass |
| Final Question | |
| A model that shows only the valence electrons | Electron Dot Diagram or Lewis Dot Structure |