Chapter 1

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Across
  1. 2. Alchemists for famous for trying to turn metals into this
  2. 3. The atomic number is equivalent to the number of _____ in an atom
  3. 5. The scientist who discovered that atoms have a dense nucleus at their center
  4. 8. This scientist prepared the first table of atomic masses
  5. 10. The scientist who proposed the Law of the Conservation of Mass
  6. 13. Rutherford and his metal foil experiments illustrated that atoms are mostly composed of what
  7. 16. Anything with mass
  8. 17. This law states that water will always be 2 parts water and 1 part oxygen
  9. 18. This scientist's experiments demonstrated that water was not OH but rather H2O
  10. 19. A charged species
  11. 20. His number quantifies what a mole is
  12. 23. What varies between isotopes
  13. 24. These are formed when atoms of different elements combine
  14. 25. These are exchanged when an ion is formed
  15. 28. A concise statement of a relationship that is always the same given the same conditions
  16. 29. A term given to elements that naturally exist in pairs
Down
  1. 1. These linkages are broken and reformed during chemical reactions
  2. 4. The charge of a neutron
  3. 6. A possible explanation for an observed phenomenon
  4. 7. What you seek in the second step of the Scientific Method
  5. 9. One of the Greek's four fundamental substances
  6. 11. The first step of the Scientific Method
  7. 12. When they form compounds, metals tend to function as the _____
  8. 14. The sum of a given atom's protons and neutrons
  9. 15. The fourth step of the Scientific Method
  10. 20. The smallest units of a element
  11. 21. The area of the atom where the protons are located
  12. 22. Is created when a particle has more electrons than protons
  13. 26. A unifying explanation that is based on a combination of laws and facts
  14. 27. One of the original models of the atom was called the Plum ____ Model