Across
- 5. a gas is likely this under high temp and low pressure
- 9. higher the pressure, lower the ________
- 10. when a substance goes from a liquid to a gas state
- 11. a perfect mixture
- 12. as the temperature of a substance rises it increase in ___ energy
- 14. two or more elements chemically combined
- 16. the heating curve is an example of an ______ reaction
Down
- 1. when something goes from the gas to the liquid phase
- 2. a gas that attracts
- 3. the study of matter
- 4. electrons in the outermost layer
- 6. soil is an example of this type of mixture
- 7. when the air pressure and vapor pressure are equal
- 8. anything that has mass and takes up space
- 12. absolute zero is zero degrees _______
- 13. when a substance is at a phase changes it increase in ____ energy
- 15. a particle that has a neutral charge and a mass of 1 amu