Vocab

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Across
  1. 5. elements that have similar chemical and physical properties
  2. 7. any substance made up of only 1 type of atom.
  3. 9. unreactive group of elements
  4. 10. All found naturally on Earth;Also called Rare Earth Metals
  5. 11. Vertical columns on the Periodic Table
Down
  1. 1. many are man made elements
  2. 2. Horizontal rows
  3. 3. Metals like to combine most often with Halogens
  4. 4. most reactive element on periodic table
  5. 6. not as reactive as group 1, 2 valence electrons
  6. 8. middle block of periodic table