3.2 Atoms, Bonding, Periodic Table

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Across
  1. 2. the columns of the periodic table
  2. 3. electrons that have the highest energy level
  3. 4. the rows of the periodic table
  4. 7. is in group 1 but is actually a nonmetal
  5. 8. the elements in the blue section of the periodic table
  6. 11. is in Group 18 but only has 2 valence electrons
  7. 12. can either lose or share electrons when they combine with other elements
  8. 13. lie along the zigzag line in the periodic table
  9. 16. The elements within a ___ always have the same number of valence electrons
  10. 17. any particle smaller than an atom
  11. 18. the elements in the orange section of the periodic table
Down
  1. 1. the atomic number of an element is the number of __ in the nucleus
  2. 5. atoms tend to be more stable if they have __ valence electrons
  3. 6. bond the force of attraction that holds atoms together
  4. 9. element symbol surrounded by dots
  5. 10. the one or two letters that represent an element in the periodic table
  6. 14. the elements in each group have similar _____
  7. 15. The Group 18 elements have 8 valence electrons