Periodic Table Puzzle

12345678910111213141516171819202122232425
Across
  1. 2. I am a silvery white metal used to make salt.
  2. 4. I am a transition metal with 30 electrons useful in making paint.
  3. 6. I am a member of the nitrogen family with 16 neutrons meaning phosphorus rich.
  4. 10. I am a member of the halogen family with an atomic number of 53
  5. 11. I am the 2nd most abundant element in the Earth’s crust and have 14 neutrons.
  6. 14. I am a member of the alkaline earth metals used to make bright white light in fireworks.
  7. 16. I am a member of the carbon family often mistaken for the end of your pencil.
  8. 17. My atomic number is 79.
  9. 18. I make up 78% of the air and am found in the 15th group. (In Gr. 9 we say 5th group or column 5)
  10. 19. I am a noble gas with 2 electrons.
  11. 20. My atomic mass is 35.453.
  12. 23. You can find me in the carbon family in the fifth period.
  13. 24. I am a gas with a mass number of 40.
  14. 25. I am a member of the boron family and am the most abundant metal in the Earth’s crust.
Down
  1. 1. I am the first element in the fourth period used in making fertilizer.
  2. 3. I am a metal with 28 electrons
  3. 5. I am the head of the carbon family known as the “basis of life”.
  4. 7. I have 2 electrons in the first shell, 8 in the second shell, and 6 in the third shell.
  5. 8. I am a transition metal with 25 electrons.
  6. 9. I am the only element in the halogen family that is a liquid.
  7. 12. I have 20 neutrons and am found in your teeth and bones.
  8. 13. I am not really an alkali metal, but since I have only 1 electron, I behave like them.
  9. 15. My atomic number is 47 and I am used in making photographic films.
  10. 21. I am a gas with 8 protons and 8 neutrons.
  11. 22. I have 26 protons.