Periodic table

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Across
  1. 4. = The basis of the elements
  2. 5. = My atomic number is 6
  3. 9. = A series of metallic elements on the periodic table
  4. 11. = My atomic mass is 28
  5. 12. = My symbol is Zn
  6. 13. = Any atom or group of atoms that bears one or more positive or negative electrical charges
  7. 14. Number = The number of protons in the nucleus
  8. 17. = A substance whose atoms all have the same number of protons
  9. 20. = My atomic mass is 1
  10. 21. = My symbol is Ti
  11. 23. = A subatomic particle with a positive charge
  12. 25. = A subatomic particle with a neutral charge
  13. 26. = One or 2 letter symbol that represents the element
  14. 28. Table = A table of the chemical elements
  15. 30. = A horizontal row of the periodic table
Down
  1. 1. = A family of elements consisting of 15 elements
  2. 2. Mass = Roughly equal to the sum of the individual particle masses of an atom
  3. 3. = My atomic mass is 70
  4. 6. = My atomic number is 45
  5. 7. = What the element is called
  6. 8. = Elements that are good conductors of heat
  7. 10. = Members of a family of an element that all have the same number of protons but different numbers of neutrons
  8. 15. = My atomic mass is 16
  9. 16. = A subatomic particle with a negative charge
  10. 18. = My symbol is Ne
  11. 19. = The vertical columns on the periodic table
  12. 22. = My atomic number is 26
  13. 24. = Elements that have properties between metals and nonmetals
  14. 27. = My symbol is Ag
  15. 29. = Contains elements with the same number of electrons