Periodic Table

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Across
  1. 3. a chemical property that determines how elements will react with others to form a compound
  2. 4. is an electron that is associated with an atom, and that can participate in the formation of a chemical bond
  3. 5. the name of group 15 in The Periodic Table
  4. 7. the name of the group 16 in The Periodic Table
  5. 8. the name of group 13 in The Periodic Table
  6. 9. horizontal rows
  7. 12. the name of group 2 in The Periodic Table
  8. 16. least reactive the non metals also known as?
  9. 18. the element that are to the left of the stair case are categorized
  10. 19. the name of group 14 in The Periodic Table
  11. 20. is the number of protons found in the nucleus of the atom and is also how the elements are organized in the periodic table
Down
  1. 1. vertical columns
  2. 2. these metals are found in groups 3-12
  3. 6. the elememts that are to the right of the stair case are categorized
  4. 10. most reactive the metals also known as?
  5. 11. is a table that lists all elements in a certain order
  6. 13. the name of group 1 in The Periodic Table
  7. 14. is the number equivalent to the protons and neutrons of an atom
  8. 15. the name of the group 17 in The Periodic Table
  9. 17. these elements found along the staircase to separate the metals and noble gasses