Periodic Table Puzzles

12345678910111213141516171819202122232425
Across
  1. 1. I am a member of the boron family and am the most abundant metal in the Earth's crust.
  2. 4. My atomic number is 79.
  3. 6. I am the head of the carbon family known as the basis of life.
  4. 7. I have 26 protons.
  5. 8. I am a gas with a mass of 19
  6. 13. I am a transition metal with 30 electrons useful in making paint.
  7. 15. My atomic mass is 35.45.
  8. 18. I am a member of the carbon family often mistaken for the end of your pencil
  9. 19. I make up 78% of the air and am found in group 5A.
  10. 21. I am an alkali metal found in period 3, I am used to make salt.
  11. 22. I am the only element in the halogen family that is a liquid.
  12. 24. I am a member of the nitrogen family with 16 neutrons.
  13. 25. My atomic number is 47 and I am used to make photographic film.
Down
  1. 2. I am a member of the alkaline earth metals in period 3.
  2. 3. I am a transition metal with 25 electrons.
  3. 5. I am the halogen found in period 5.
  4. 9. I am a metal with 28 electrons.
  5. 10. I am the lightest of the noble gasses.
  6. 11. You can find me in the carbon family in the 5th period.
  7. 12. I am a metal that is a liquid at room temperature.
  8. 14. I have 20 neutrons and am found in your teeth and bones.
  9. 16. I am not really an alkali metal, but since I have only electron I behave like them.
  10. 17. I am a gas with 8 protons and 8 neutrons.
  11. 20. I am in period 3, group 4A.
  12. 21. I am located in the third period and group 6A.
  13. 23. I am the first element in the fourth period used in making fertilizer.