Across
- 2. atoms that are in the same ________ will behave similarly
- 7. a tendency to do nothing or remain unchanged (1st law)
- 8. electron determines the atoms reactivity
- 10. an object that is acted on by unbalanced forces will ___________________________.
- 12. _________= distance / time
- 13. _________= mass / volume
- 15. particle with no charge
- 17. gasses this group on the periodic table has a full outer shell
- 18. for every action, there is an equal and opposite reaction. Newtons __________ law.
Down
- 1. positively charged particle
- 3. H2O is an example of a chemical ____________
- 4. the speed of something in a given direction
- 5. this group on the periodic table has 7 valence electrons
- 6. warmer air rises because it is _______ dense than cooler air
- 9. negatively charged particle that orbits the nucleus
- 11. color change is an example of a _____________ reaction
- 12. Newtons __________ law. F=ma
- 14. a push or a pull on an object
- 16. warm ocean currents originate here