The Periodic Table

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Across
  1. 4. The name of the element with exactly 1 full electron shell
  2. 6. The symbol for the element with the highest atomic number
  3. 8. What is the charge of an electron?
  4. 10. What is the charge of a proton?
  5. 12. An element we usually associate with breathing
  6. 13. The name for each row of the periodic table
  7. 14. A neutrally-charged subatomic particle
Down
  1. 1. The name of the scientist who developed the modern periodic table
  2. 2. The third element on the Periodic Table
  3. 3. A name for the special electrons in the outer shell of an atom
  4. 5. The type of energy required to remove an electron from an atom
  5. 7. The element with an atomic symbol of Au
  6. 8. The name of a noble gas
  7. 9. The name for each column of the periodic table
  8. 11. A metal used in your blood
  9. 15. The symbol of the element with atomic number 43