Periodic Trends Review

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Across
  1. 3. negatively charged and orbit the nucleus
  2. 4. two atoms of the same element with different numbers of neutrons
  3. 6. electronegativity ____ as you go left to right in a period
  4. 8. atomic radius ___ as you go from bottom to top in a group
  5. 13. state of matter is a ____ property
  6. 14. name for energy shells where electrons are located
  7. 16. metal in period 5 and group 2
  8. 17. element in group 16 with a bigger atomic radius than oxygen (O)
  9. 18. has 13 protons in its nucleus
Down
  1. 1. toxicity is a ____ property
  2. 2. nonmetal with 7 protons
  3. 5. group 14 metalloid
  4. 7. name for elements located in group 18
  5. 9. element in group 1 with a smaller radius than sodium (Na)
  6. 10. location of protons and neutrons
  7. 11. another name for elements in group 17
  8. 12. element located in period 4 and group 17
  9. 15. model of the atom with orbitals