MATTER

3. In a liquid, the_______ are quite close together but move over and around each other
4. it is also known as hidden heat
7. The movement of molecules from regions of higher concentration to regions of lower concentration
8. the amount of heat needed for the conversion of 1kg of liquid at its boiling point to gas at same temperature
10. The smallest particle of an element
12. are chemical substances made up of two or more elements that are chemically bound together in a fixed ratio
13. a substance that is made by mixing other substances together
16. Water_______ at one hundred degrees Celsius
18. is the process where water vapor becomes liquid
19. point the particular temperature for each substance at which it changes state from a solid to a liquid

1. is the quantity of heat in joules required to convert 1 kg of solid to liquid,without any change in temperature
2. Sublimation is when a solid becomes ______ without going through a liquid phase
5. When a gas becomes a solid directly
6. temperature at which liquids start boiling
8. Takes the shape of its container
9. a surface phenomenon
11. It is a process of changing the substance from a liquid or gaseous state to a solid
14. This state of matter has high intermolecular force of attraction
15. anything that has mass and takes up space
17. A pure substance which is made up of only one kind of atom