periodic table

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Across
  1. 2. A horizontal row of elements in the periodic table
  2. 3. 3d^9
  3. 5. Period 4; Group 13
  4. 7. 2p^6
  5. 8. Number of Valence Electrons in Titanium
Down
  1. 1. 2p^3
  2. 4. noble gas in group 18
  3. 6. A transition metal in group 7