Periodic Table of Elements Vocabulary

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Across
  1. 2. Horizontal rows of elements on the periodic table.
  2. 3. The tendency of a substance to react with its surroundings or certain other substances
  3. 5. An organized chart of the chemical elements arranged in order of atomic number.
  4. 6. The Russian chemist who was credited with organizing the first periodic table.
  5. 7. All of the elements located in Group 17 of the Periodic Table – react with many metals to form salts.
  6. 9. All of the elements located in Group 2 of the Periodic Table – contain 2 valence electrons and are highly reactive
Down
  1. 1. All of the elements located in Groups 3-12 of the Periodic Table.
  2. 4. All of the elements located in Group 18 of the Periodic Table – the least reactive and most stable group of elements.
  3. 8. Vertical columns of elements on the periodic table.
  4. 10. All of the metals located in Group 1 of the Periodic Table – contain 1 valence electron and are highly reactive in water