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Ch. 2 Vocabulary

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

Content:
Definitions:
0. electromagnetic energy
1. element
2. thermal energy
3. heterogenous mixxture
4. chemical change
5. solution
6. molecule
7. electircal energy
8. Physical Change
9. chemical energy
10. matter
11. endothermic change
12. atom
13. substance
14. homogenous mixture
15. exothermic change

Answers:
0. A pure substance made of 2 or more elements chemically combined
1. Combination of symbols that represents # of elements in a compound
2. total potential %26 kinetic energy of particles in an object
3. A pure substance that cannot be broken down into other substance
4. change in which energy is given off
5. change in which energy is taken in
6. Characteristic of a pure substance describing ability to change to a new substance
7. Mixture in which pure substances are unevenly distributed throughout
8. Characteristic of a pure substance observed w/out changing to other substance
9. Well mixed mixture containing a solvent %26 solute same properties
10. force that holds atoms together
11. basic particle from which all elements are made
12. neutral particle made of 2 or more atoms joined by covalent bonds
13. Change in which new substances are formed from combining/break of substances
14. A change in a substance that does not change its identity
15. ability to do work or cause change
.