Matter

3. elements that have properties of both metals and nonmetals; sometimes referred to as semiconductors.
5. A combination of two or more substances which don’t chemically combined.
7. characteristics of a substance that determine how it will react with other substances.
9. A change in matter that produces one or more new substances.
11. A one or two letter representation of an element.
12. The ability of a substance to transfer head or electrical energy.
14. any form of matter that is uniform throughout and has consistent properties.

1. Group of elements that are good conductors of electric current and heat.
2. elements typically not shiny, usually a gas or brittle solid, not malleable, and poor conductors of heat and electricity.
3. The ability of something to be reshaped without breaking.
4. two or more elements chemically combined.
6. characteristic that can be observed or measured without changing the substance; for example, color, melting point, or conductivity.
8. A change in a substance that doesn’t involve a change in the identity of the substance.
10. A substance that can’t be broken down into any other substances by chemical or physical means.
13. smallest unit of an element.