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Ch. 2 Vocabulary

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

Content:
Definitions:
0. molecule
1. chemical formula
2. electromagnetic energy
3. chemical property
4. matter
5. heterogenous mixxture
6. chemical energy
7. exothermic change
8. temperature
9. endothermic change
10. compound
11. homogenous mixture
12. chemical bond
13. chemical change
14. solution
15. mixture

Answers:
0. Single kind of matter that is pure and has a specific set of properties
1. Mixture in which substance are evenly distributed throughout
2. ability to do work or cause change
3. A pure substance made of 2 or more elements chemically combined
4. force that holds atoms together
5. Well mixed mixture containing a solvent %26 solute same properties
6. A change in a substance that does not change its identity
7. Combination of symbols that represents # of elements in a compound
8. neutral particle made of 2 or more atoms joined by covalent bonds
9. energy of moving electrical charges
10. Change in which new substances are formed from combining/break of substances
11. Mixture in which pure substances are unevenly distributed throughout
12. measure of average energy of motion of particles of a substance
13. Characteristic of a pure substance observed w/out changing to other substance
14. 2 or more substances that are mixed together but not chemically
15. change in which energy is taken in
.