Test Vocab Review #2

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Across
  1. 4. "of large size "
  2. 5. A process that results in heat gained by a system.
  3. 8. These should be used any time chemicals, heat or glassware are used in the lab.
  4. 11. HCO3-.
  5. 14. Largest major section/category of elements on the Periodic Table.
  6. 15. Can be separated by physical means.
  7. 16. Shortest wavelength of light.
  8. 18. Positively charged subatomic particle.
  9. 20. A negatively charge ion.
Down
  1. 1. SO42-.
  2. 2. Ability of an element to attract and bind with electrons.
  3. 3. A process that results in heat lost from a system.
  4. 6. Cannot be broken down into simpler particles by physical means.
  5. 7. Molecular bonds that exist between atoms within a molecule.
  6. 9. NO3-.
  7. 10. An atoms outermost electrons.
  8. 12. Chemicals that go-into a chemical reaction.
  9. 13. Exist either as atoms or molecules of the same atom.
  10. 17. Electrons are unequally shared in this kind of covalent bond.
  11. 19. Cannot be broken down into simpler particles by chemical or physical means.