Across
- 5. a device used to measure the energy absorbed or released as heat in a chemical reaction
- 7. atoms of the same element with different numbers of neutrons
- 10. a reaction that releases heat
- 11. transfer of electrons
- 12. when two liquids don't mix
- 14. negative ion
- 15. gaseous form of a substance
- 18. diffusion through a tiny opening
- 19. microscopic particles that are dispersed evenly
- 20. a mixture that individual particles cannot be distinguished
Down
- 1. two or more substances react to produce a single product
- 2. a reaction that requires an input of energy
- 3. atm pressure is released with this
- 4. a small amount of solute per solvent quantity
- 6. substances that vaporize easily
- 8. transition of a substance directly from solid to gas
- 9. substances that can be dissolved
- 13. a substance that speeds up a chemical reaction
- 16. a mixture that is not uniform
- 17. oxygen combines with a substance and releases heat and light