Chemistry

5. A ________ _____ is a type of change in which the form of matter is altered but one substance is not transformed into another.
9. the number at the top of each element on the periodic table
10. a substance that flows freely but is of constant volume
11. the point at which a solid turns into a liquid
12. a substance that takes part in and undergoes change during a reaction.
13. a substance or matter in a state in which it will expand freely to fill the whole of a container

1. a mixture that cannot be easily separated
2. a mixture that can be separated without having to complex things
3. nickname for the Power of hydrogen
4. anything that takes up space
6. A ________ ______ occurs when a new substance is formed through a chemical reaction
7. the state or power of being reactive or the degree to which a thing is reactive.
8. a compact group of molecules that is much more dense than a liquid or gas