Across
- 2. Lowest possible temperature also known as absolute zero
- 4. ___ energy. Minimum energy needed to start a chemical reaction
- 5. Chemical symbol for Iron
- 7. Energy that flows from hot to cold
- 8. Activated ____ is when the atoms from reactants have absorbed the activation energy
- 10. Chemical symbol for Silicon
- 12. Chemical symbol "Na"
- 15. Chemical reaction that releases energy
- 17. Chemicals that start a reaction
- 19. Chemical symbol "H"
- 22. Total energy released or absorbed during a chemical reaction
- 24. Force that opposes motion between two surfaces
- 26. Average kinetic energy of the particles in a sample of matter
- 28. The arrow in chemical reactions
- 29. Chemical symbol "N"
- 30. Energy needed to raise the temperature of 1 g of water by 1 degree Celsius
- 31. You add 273.15 to convert from ___ to Kelvin
Down
- 1. New substances resulting from a reaction
- 3. Stored energy
- 6. Chemical symbol "Ca"
- 9. Chemical reaction that absorbs energy
- 11. Chemical symbol for Lithium
- 13. Energy can never be created nor consumed, only ___
- 14. Chemical symbol "K"
- 16. speeds up a chemical reaction
- 18. Can produce work or heat or change
- 20. Chemical symbol "O"
- 21. Energy of motion
- 23. Chemical symbol for Aluminum
- 25. 1000 cal = 1 ____ Calorie
- 27. Chemical symbol for Neon