The Periodic Table

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Across
  1. 2. atomic number is 20.
  2. 4. has 56 protons and electrons.
  3. 7. has an atomic mass of 58.93.
  4. 10. the atomic number is 2.
  5. 11. is the first period of the table.
  6. 13. the symbol of this element is Zr with an atomic number of 40.
  7. 16. we use this in everyday life and its symbol is Fe.
  8. 17. is a nonmetal and is in group 16 of the table.
  9. 18. its atomic mass number is 14.01.
  10. 19. the symbol of this element is Ar.
  11. 20. is a noble gas and is in Group 18.
Down
  1. 1. is a metal with a symbol of K.
  2. 3. the symbol is C.
  3. 5. is solid at room temperature.
  4. 6. symbol is Na.
  5. 8. is a metal and its atomic number is 3.
  6. 9. has 2,2 electrons per shell and its symbol is Be.
  7. 12. atomic number is 56.
  8. 14. is the first element in Group 13.
  9. 15. make up water.