ATOMS FAMILY

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Across
  1. 4. Name of the First group on the Periodic Table (two words)
  2. 5. Number of protons in an atom (two words)
  3. 6. Element with 11 protons
Down
  1. 1. Name given to the last group in the Periodic Table (two words)
  2. 2. Name of the rows in the Periodic table (two words)
  3. 3. Name of Russian scientist who created the first proper periodic table