Across
- 3. ionic compound made from neutralization
- 4. two elements held together
- 5. lowers activation energy needed
- 11. resistance to a change in motion
- 12. biological catalyst
- 13. middle number of a set of data
- 14. force pushing on a container
- 16. measure of the force of gravity on an object
- 17. electrically charged atom
- 18. turns blue litmus paper red
- 19. liquids resistance to flowing
- 20. numerical average of a set of data
Down
- 1. tiny particle of light energy
- 2. amount of space that matter occupies
- 3. object that orbits a planet
- 6. basic particle of all elements
- 7. turns red litmus paper blue
- 8. electromagnetic waves
- 9. how much matter is in an object
- 10. solution not concentrated
- 15. any substance that can flow