Parts of the Atom & the Periodic Table

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Across
  1. 2. particle of the atom with a positive charge
  2. 3. element name with 85 protons
  3. 6. element symbol that has an atomic mass of 80
  4. 7. element name with 73 protons
  5. 8. element symbol that has an atomic mass of 133
  6. 10. number of electrons that can be held in the second electron level
  7. 12. particle of the atom with a negative charge
  8. 15. element name with 38 protons
  9. 18. element name with 88 protons
  10. 20. element name with 45 protons
  11. 21. element symbol that has an atomic mass of 79
Down
  1. 1. element name with 107 protons
  2. 2. element symbol that has an atomic mass of 106
  3. 3. element symbol that has an atomic mass of 75
  4. 4. element name with 50 protons
  5. 5. number of electrons that can be held in the second electron level
  6. 8. element name with 98 protons
  7. 9. element symbol that has an atomic mass of 84
  8. 11. number of electrons that can be held in the first electron level
  9. 13. element name with 24 protons
  10. 14. particle of the atom with no charge
  11. 16. element symbol that has an atomic mass of 243
  12. 17. element name with 53 protons
  13. 19. element symbol that has an atomic mass of 192