Periodic Table Crossword

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Across
  1. 5. I am in the 5th period and the carbon family
  2. 6. I am very important for healthy teeth and bone I am also an alkali earth metal
  3. 11. I am not an alkali metal, but I am in group 1
  4. 12. I am the only liquid metal at room temperature
  5. 13. I have 28 electrons when electrically neutral
  6. 14. I am the 2nd most reactive metal
  7. 15. Im a halogen with 5 energy levels
  8. 16. Im the only noble gas with 2 electrons
Down
  1. 1. Eat me when you have cramps in your leg
  2. 2. I am a gas with 8 neutrons in my most common form
  3. 3. I am a metalloid that usually has 71 neutrons
  4. 4. my atomic number is 47
  5. 7. I am an alkaline earth metal used in fireworks; I have 3 energy levels
  6. 8. have 6 valence electrons and 16 protons
  7. 9. I have 26 protons
  8. 10. My average atomic mass is 35.453