Quarter 1 Vocabulary

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Across
  1. 5. a characteristic that can be observed or measured without changing the substance
  2. 7. the center part of an atom that contains protons and neutrons
  3. 8. a characteristic that describes its ability to change into different substances.
  4. 12. two or more of different elements. ex H2O
  5. 15. the temperature at which a substance changes from a solid to a liquid
  6. 18. the temperature at which a substance changes from a liquid to a gas
  7. 19. electrons found on the outer most shell
  8. 22. liquid to gas
  9. 24. the number of protons in the nucleus of an atom.
  10. 25. a horizontal row on the periodic table
  11. 26. the ability to be dissolved
Down
  1. 1. solid to gas
  2. 2. the basic particle from which all elements are made
  3. 3. two or more of the same element. ex O2
  4. 4. a tiny, negatively charged particle that moves around the outside of the nucleus of an atom
  5. 6. how much space that matter occupies
  6. 8. gas to liquid
  7. 9. small, positively charged particles that are found in the nucleus of an atom
  8. 10. solid to liquid
  9. 11. how much mass is in a substance
  10. 13. liquid to solid
  11. 14. where electrons are when they go around the nucleus of an atom
  12. 16. a vertical column on the periodic table
  13. 17. the ability to burn
  14. 20. a small particle in the nucleus of an atom with no electrical charge
  15. 21. the degree to which a thing is reactive
  16. 23. how much matter is in a substance