History of Elements

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Across
  1. 4. A possible new arrangement of the Periodic Table
  2. 7. Number 115 on the Periodic Table with an extra amount of skepticism regarding its addition to the table
  3. 9. The rows in the Periodic Table
  4. 10. What the Periodic Table was originally ordered by
  5. 13. Is made by bombarding curium atoms with calcium
  6. 14. The element 118 on the Periodic Table
  7. 15. Number 117 on the Periodic Table and another questionable element
Down
  1. 1. The first person to measure the atomic number of an element (last name)
  2. 2. Specific place where they created SHREC
  3. 3. Was experimented with to find the atomic number
  4. 5. The columns in the Periodic Table
  5. 6. Russian chemist created the modern periodic table
  6. 8. The amount of positive charges in the atomic nucleus
  7. 11. Is used to create Superheavy elements
  8. 12. Has an atomic mass of 113