Across
- 1. the distance an object travels and the time it takes to travel that distance
- 4. the smallest unit or part of an element
- 6. a push or pull
- 7. columns on the periodic table that tell us how many valence electrons each atom has
- 8. subatomic particle with a neutral charge
- 10. speed with a direction
Down
- 2. subatomic particle with a positive charge
- 3. rows on the periodic table that tell us how many shells each atom has
- 4. a change in speed or direction of an object
- 5. subatomic particle with a negative charge
- 9. a pure substance that can't be broken down