Unit 1 Vocab

4. A science that deals with the structure and properties
6. Reaction in which the nuclei of one atom combines with the nuclei of another to form a larger nuclei
10. a number that express a magnitude to a specified degreee of accuracy
13. the quality of being exact
15. Group 18 in the periodic table with a full outer shell
17. data in words rather than in numbers
18. sum of the protons and nuetrons in the necleus of an atom
19. smallest particle of a substance that can exist by itself

1. system of electrons surrounding the nucleus of an atom
2. element with properties of both metals and nonmetals
3. method that expresses the number multiplied by 10 and the appropriate power
5. experimental value minue the accepted value, divided by the accpeted value and then multiplied by 100
7. the ability to work without mistakes
8. Number of protons in the nucleus in an atom
9. numerical measurements rather than its words
11. atom that has gained or lost one or more electrons
12. stoms with same number of protons but not the same number of nuetrons
13. a solid that is produced by a chemical reaction in solution
14. mass per unit of volume
16. the heat required to raise the temperature of the mass of a given substance by given ammount