Periodic Table Crossword

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Across
  1. 3. I am a member of the halide family with an atomic number of 53
  2. 5. I have 2 electrons in the first shell, 8 in the second shell, and 6 in the third shell
  3. 8. I am the first element in the fourth period used in making fertilizer
  4. 10. I am the second most abundant element in the Earth's crust and have 14 neutrons
  5. 13. You can find me in the Carbon family in the 5th period
  6. 17. My atomic mass is 35.45
  7. 20. I am a member of the boron family and am the most abundant metal in the Earth's crust
  8. 22. I am a member of the carbon family often mistaken for being in pencils
  9. 23. I make up 78% of the air you breath and am found in the 15th group
  10. 24. I am the head of the Carbon family know as the "basis for all life on our planet"
  11. 26. I am a metal with 28 electrons
Down
  1. 1. I am a silvery white metal used to make salt
  2. 2. I am a member of the nitrogen family with 15 neutrons
  3. 4. I am the only element in the halide family that is a liquid
  4. 6. I am a transition metal with 25 electrons
  5. 7. My atomic number is 47 and I am used to make photographic film
  6. 9. I am a member of the alkaline earth metals used to make fireworks and medicines
  7. 11. I have 26 protons
  8. 12. I am a gas with a mass number of 19
  9. 14. I am a transition metal with 30 electrons useful in making paint
  10. 15. I am a noble gas with 2 electrons
  11. 16. I have 20 neutrons and am found in your teeth and bones
  12. 18. I am not really an alkali metal but since I have only 1 electron I behave like them
  13. 19. I am a gas with 8 protons and 8 neutrons
  14. 21. I am a metal that is liquid at room temperatures
  15. 25. My atomic number is 79