PERIODIC TABLE

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Across
  1. 3. Man's best friend
  2. 6. The elements which form negative ions by accepting or gaining electrons.
  3. 8. I am a nonmetal with the symbol "C".
  4. 10. I am a rare earth element with the symbol "Nd".
  5. 12. I am an alkali metal with the symbol "K".
  6. 13. I am a nonmetal with the symbol "N".
  7. 15. Likes to chase mice
  8. 16. I am a noble gas with the symbol "He".
  9. 18. I am a metal with the symbol "Au" and dense.
  10. 19. I am a metal with the symbol "Fe".
  11. 21. I am a halogen with the symbol "Br".
  12. 22. I am a noble gas with the symbol "Ne".
  13. 23. I am a metal with the symbol "Ca".
  14. 25. I am a transition metal with the symbol "Cu".
Down
  1. 1. Large marsupial
  2. 2. A substance that is in gaseous, or vaporous, states of matter.
  3. 4. I am a metalloid with the symbol "Ge".
  4. 5. I am a metalloid with the symbol "Si".
  5. 7. Has a trunk
  6. 9. I am an alkaline earth metal with the symbol "Mg".
  7. 11. Flying mammal
  8. 14. I am a nonmetal with the symbol "O".
  9. 17. I am an alkali metal with the symbol "Na".
  10. 20. I am a noble gas with the symbol "Kr".
  11. 24. I am a halogen with the symbol "Cl".