POM Lock

4. a physical blend of two or more components, each of which retains its own identity and properties
5. pure elements that form molecules consisting of two atoms bonded together
6. Property that can be observed or measured without changing the identity of the substance
8. The diatomic doctor
9. a property that depends on the amount of matter in a sample. Ex: Mass and Volume
10. the energy in joules needed to raise the temperature
11. a mixture in which the composition is uniform throughout the mixture. Ex: salt water
12. a property of matter that depends only on the type of matter in a sample and not on the amount. Ex: color, density
14. a way of separating an insoluble solid from a liquid
15. matter that has a uniform and definite composition.

1. metals (specifically Li, Na, and K)
2. contains two or more elements chemically combined in a fixed proportion
3. an example of a physical change
7. a change that produces matter with a different composition
8. a mixture in which the composition is not uniform throughout the mixture. Ex: Vegetable soup
13. Can not be broken down into simpler substances chemically