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