Across
- 6. The heat required to raise the temperature of the mass of a given substance by a given amount
- 8. Method that expresses the number multiplied by 10 and the appropriate power
- 11. Element with the properties of both metals and nonmetals
- 13. Group 18 in the periodic table with a full outer shell
- 15. A number that expresses a magnitude to a specified degree of accuracy
- 19. Numerical measurements rather than its words
- 20. Experimental value minus the accepted value, divided by the accepted value and then multiplied by 100
Down
- 1. The quality of being exact
- 2. number of protons in the nucleus in an atom
- 3. A science that deals with structure and properties
- 4. mass per unit of volume
- 5. Reaction in which the nuclei of one atom combines with the nuclei of another to form a larger nuclei
- 7. The ability to work without mistakes
- 9. Atoms with the same number of protons but not the same number of neutrons
- 10. Data in words rather than in numbers
- 12. System of electrons surrounding the nucleus of an atom
- 14. A solid that is produced by a chemical reaction in solution
- 16. atom that has gained or lost one or more electrons
- 17. Sum of the protons and neutrons in the nucleus of an atom
- 18. Smallest particle of a substance that can exist by itself