Atom, Matter, Periodic Table

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Across
  1. 5. Group 11 Period 5
  2. 6. Group 1 Period 1
  3. 8. Has a mass number of 195
  4. 10. How many electron shells does Magnesium have?
  5. 12. Sulfur has ____ positive charged sub-particles
  6. 16. Number of neutrons in Gold
  7. 18. Number of neutrons in bromine
  8. 19. Number of neutrons in Iron
  9. 20. Electron configuration 2,8,8,2
  10. 21. Group 18 elements have outer electron shells that are ______
Down
  1. 1. Atomic Symbol: Mn
  2. 2. Krypton has ___ negatively charged sub-particles
  3. 3. Electron configuration 2,8,4
  4. 4. Atomic number 80
  5. 7. Zn is in Group 30 and ______________
  6. 9. Number of neutrons in Cobalt
  7. 11. Group 14 Period 6
  8. 13. Number of neutrons in Argon
  9. 14. Metals are on the ________ and middle of the periodic table
  10. 15. Electron configuration: 2,2
  11. 17. Electron configuration 2,8