Chemistry Vocabulary
Across
- 3. substance made by mixing other substances together.
- 5. the electrons in the outermost shell, or energy level, of an atom.
- 7. a mixture in which the composition is not uniform throughout the mixture.
- 8. the basic building block of chemistry.
- 9. the action or process of filtering something.
- 10. done, made, or acting suddenly or without careful consideration.
- 12. a characteristic of a particular substance that can be observed in a chemical reaction.
Down
- 1. The alkaline earth metals are six chemical elements in group 2 of the periodic table.
- 2. any of a group of rare gases that include helium, neon, argon, krypton, xenon.
- 4. a gaseous, liquid or solid mixture that has the same proportions of its components throughout a given sample.
- 6. substances that are made up of only one kind of particle and have a fixed or constant structure.
- 11. a measure of a material's ability to conduct an electric current.