Periodic Table

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Across
  1. 3. Element symbol ‘Kr’
  2. 5. Element symbol ‘Na’
  3. 9. Element symbol ‘As’
  4. 11. Type of phosphorous the Salvation Army used in its manufacturing of matches
  5. 13. Element symbol ‘Ni’
  6. 16. A pale yellow material, this element can be found near volcanoes and hot springs.
  7. 17. Element symbol ‘Sn’
  8. 18. Short-hand abbreviation for the element name
  9. 20. Number of protons in the nucleus of an atom
  10. 22. There are _____ types (colours) of phosphorous
  11. 23. Element symbol ‘F’
  12. 25. Element symbol ‘Mg’
  13. 27. Element symbol ‘Al’
  14. 30. Element symbol ‘K’
  15. 33. Element symbol ‘C’
  16. 35. The vertical columns in the periodic table
  17. 36. While normally shown at the top of this group, this element is not an alkali metal. Most common element on earth
  18. 38. Element symbol ‘Ne’
  19. 39. Element symbol ‘Si’
  20. 41. Element symbol ‘Ca’
  21. 42. Element symbol ‘Ba’
  22. 44. The horizontal rows in the periodic table
Down
  1. 1. Element symbol ‘Ar’
  2. 2. Metal commonly used for jewellery
  3. 4. Another word for gases
  4. 6. Has an atomic number of 8
  5. 7. The first member of the alkali metals
  6. 8. Element symbol ‘Zn’
  7. 10. Chemical which caused “phossy jaw”
  8. 12. Element symbol ‘Cl’
  9. 13. Group considered poor conductors of heat and electricity
  10. 14. Found in most households, chemical symbol NaCl
  11. 15. Element symbol ‘Pt’
  12. 19. Element symbol ‘Br’
  13. 20. The average mass of the atoms in an element
  14. 21. Element symbol ‘N’
  15. 24. Element symbol ‘Pb’
  16. 26. Element symbol ‘I’
  17. 28. Only common metal which is liquid at room temperature
  18. 29. Element symbol ‘Xe’
  19. 31. Element symbol ‘Ti’
  20. 32. Element symbol ‘Se’
  21. 34. Element symbol ‘B’
  22. 36. The first member of the Noble Gases, this element is the second most abundant element in the universe
  23. 37. Too soft for most tools, early people learned that this metal could be strengthened if it was alloyed with tin or zinc
  24. 40. Element symbol ‘Rn’
  25. 41. Element symbol ‘Co’
  26. 43. Element symbol ‘Fe’