Across
- 3. columns with same number of valence electrons
- 8. electrons that determine reactivity
- 10. after the yield sign in a chemical reaction
- 11. spinning
- 13. units in grams or kilograms
- 14. forces that accelerate or have motion
- 17. tides that happen during the new moon and full moon
- 18. boundaries that slide past each other
- 21. speed and direction
- 22. forces that are at rest or constant
- 23. positive found inside the nucleus
Down
- 1. a change in velocity
- 2. distance and time
- 4. to go around
- 5. negative found outside the nucleus
- 6. no charge found inside the nucleus
- 7. rows with same energy levels
- 9. good insulators brittle
- 12. found at the beginning of a chemical reaction
- 15. boundaries that separate
- 16. boundaries that collide
- 19. tides that happen during the quarter moons
- 20. good conductors lustrous malleable