Periodic Table

123456789101112131415161718192021222324252627282930
Across
  1. 4. When becoming an ion, metals do what with electrons
  2. 6. The number of dots around Gallium
  3. 9. First transition metal in group 12
  4. 10. Most reactive nonmetals
  5. 11. Most reactive metals
  6. 15. The structure that determines the number of dots around an element
  7. 17. Metals that come from the ores in the Earth's crust
  8. 19. Alkaline earth metal
  9. 22. Dull and poor conductors
  10. 23. Contain properties from both metals and nonmetals
  11. 27. Lanthanide
  12. 29. Have a full outer shell of valence electrons
  13. 30. Which one gains electrons when becoming an ion
Down
  1. 1. Alkali Metal in Period 2
  2. 2. The creator of our modern periodic table
  3. 3. Also known as "rare earth metals"
  4. 5. First person to get their periodic table published
  5. 7. Metals with 2 valence electrons
  6. 8. First person to create a periodic table based on atomic mass
  7. 12. Metal with the atomic number of 13
  8. 13. Metalloid in Period 2
  9. 14. Cations
  10. 16. Halogen in Period 3
  11. 18. Radioactive elements grouped in a row and not a column
  12. 20. Noble Gas in Period 1
  13. 21. Nonmetal in Group 1
  14. 24. Negative ions
  15. 25. Most reactive halogen
  16. 26. Least reactive halogen
  17. 28. Shiny and good conductors