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Ch. 2 Vocabulary

Author: Inglish Mary
Description:
Keywords: , , , , , , online teaching

Content:
Definitions:
0. chemical property
1. element
2. heterogenous mixxture
3. molecule
4. compound
5. Law of conservation of matter
6. physical property
7. thermal energy
8. chemical energy
9. temperature
10. solution
11. homogenous mixture
12. mixture
13. chemical change
14. exothermic change
15. atom

Answers:
0. A pure substance that cannot be broken down into other substance
1. change in which energy is taken in
2. form of potential energy that is stored in chemical bond between atoms
3. 2 or more substances that are mixed together but not chemically
4. basic particle from which all elements are made
5. Characteristic of a pure substance describing ability to change to a new substance
6. A pure substance made of 2 or more elements chemically combined
7. A change in a substance that does not change its identity
8. force that holds atoms together
9. change in which energy is given off
10. Form of energy that travels though space as waves
11. neutral particle made of 2 or more atoms joined by covalent bonds
12. Combination of symbols that represents # of elements in a compound
13. Change in which new substances are formed from combining/break of substances
14. Characteristic of a pure substance observed w/out changing to other substance
15. Anything that has mass and takes up space
.