Chapter 6 - Elements and the Periodic Table

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Across
  1. 3. Smallest unit of an element
  2. 5. symbol: For example Hg (2 words)
  3. 7. family: Vertical column (2 words)
  4. 11. Earth Metal: 2nd column of the periodic table (2 words)
  5. 12. Water is a _____
  6. 13. These elements are generally solids and are lustrous
  7. 15. diagram: a drawing that show the number and location of protons, neutrons and electrons in an atom
  8. 17. C-12 C-13 and C-14 are examples
  9. 18. metal: The most reactive family (2 words)
  10. 19. Oxygen has 8
  11. 20. Column 17
Down
  1. 1. Calcium has 20
  2. 2. mass: measured in (u)
  3. 4. Horizontal row
  4. 6. For example, gold
  5. 8. Hydrogen has one
  6. 9. number: Sum of protons and neutrons (2 words)
  7. 10. These elements are not lustrous and are brittle (2 words hyphenated)
  8. 14. On both sides of the bold staircase line
  9. 16. gas: Nonreactive elements (2 words)