Periodic Table Crossword Puzzle

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Across
  1. 2. The atomic symbol of it is Li
  2. 5. Has the atomic mass of 55.845
  3. 7. The second element on the periodic table.
  4. 10. The atomic symbol of it is Al
  5. 11. Has the atomic mass of 22.990
Down
  1. 1. Has the atomic mass of 87
  2. 3. The first element on the periodic table.
  3. 4. the atomic mass of 6.94
  4. 6. It has the atomic number of 114
  5. 8. The atomic symbol of it is Y
  6. 9. The atomic symbol of it is Xe.