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Ch. 2 Vocabulary

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

Content:
Definitions:
0. chemical bond
1. substance
2. chemical energy
3. exothermic change
4. Law of conservation of matter
5. thermal energy
6. physical property
7. matter
8. temperature
9. Physical Change
10. atom
11. energy
12. electrical energy
13. chemical change
14. chemical formula
15. mixture

Answers:
0. metal strip that conducts electricity
1. A pure substance that cannot be broken down into other substance
2. 2 or more substances that are mixed together but not chemically
3. A change in a substance that does not change its identity
4. rule that matter cannot be created or destroyed
5. Change in which new substances are formed from combining/break of substances
6. change in which energy is given off
7. neutral particle made of 2 or more atoms joined by covalent bonds
8. Characteristic of a pure substance describing ability to change to a new substance
9. change in which energy is taken in
10. Single kind of matter that is pure and has a specific set of properties
11. Form of energy that travels though space as waves
12. measure of average energy of motion of particles of a substance
13. Combination of symbols that represents # of elements in a compound
14. form of potential energy that is stored in chemical bond between atoms
15. Anything that has mass and takes up space
.