Crossword67946794

3. the process by which a liquid turns into a vapor when it is heated
4. a process that leads to the chemical transformation of one set of chemical substances to another
6. electrically charged gas
9. the process by which a liquid turns into a gas
10. a particular appearance or state in a regularly recurring cycle of changes
11. state of matter that retains its shape and density when not confined
12. a characteristic of a particular substance that can be observed in a chemical reaction
13. the process where water vapor becomes liquid
15. the temperature at which a liquid turns into a solid
16. a substance that has no fixed size or shape
17. a substance that flows freely but is of constant volume
18. becoming liquefied by heat

1. the temperature at which its vapor pressure is equal to the pressure of the gas above it
2. temperature at which a liquid turns into a solid when cooled
4. change of materials into another
5. a measure of how quickly a specific material is capable of catching fire and burning
6. substance that can be observed or measured without changing the identity of the substance
7. point the temperature at which a given solid will melt
8. substance from the liquid or solid phase into the gaseous phase
14. any solid material in which the component atoms are arranged in a definite pattern