Periodic Table Project

Edit Answers
1234567891011121314151617181920
Across
  1. 2. are killed by halogens
  2. 5. represents the number of valence electrons
  3. 8. metals are in the middle of the table
  4. 9. has the largest element on the periodic table
  5. 12. is an example of a noble gas
  6. 15. only need 1 electrons to have a full valence shell
  7. 17. has an atomic number of 8
  8. 19. get more reactive as you go down the column
  9. 20. gases are nonreactive
Down
  1. 1. is the measure of whether or not atoms will trade electrons with other atoms
  2. 3. is the pattern of change
  3. 4. is the most reactive halogen
  4. 6. is the first element in the periodic table
  5. 7. was discovered in the USA and is the most recent discovered element
  6. 10. represents the number of shells
  7. 11. has the heaviest mass in noble gasses
  8. 13. invented the periodic table
  9. 14. metals are located in column 2
  10. 16. move left to right
  11. 18. electrons are on the outermost shell of the atom