Periodic Trends Puzzle Project

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Across
  1. 3. used to blow up balloons and has no charge
  2. 7. has a +1 charge and is a component of water
  3. 9. is in the P group and has 8 valence electrons
  4. 11. is used in jewelry and has a 4+ charge
  5. 13. Has 3 valence electrons and is a common household item
  6. 14. Alkali metal and found on most french fries
  7. 15. Used in fireworks and within the s block
  8. 17. used in plastic surgery implants also within P block of periodic table
  9. 18. Noble gas and used for light up signs
Down
  1. 1. Alkai Metal and the lightest of the solid elements
  2. 2. has 5 valence electrons and has an atomic number greater than 14
  3. 4. common cleaner (removes viruses and bacteria) also a Halogen
  4. 5. is an alkaline earth metal and also has 4 protons
  5. 6. full valence shell and close to first ionization energy
  6. 8. has 5 valence electrons and is a non-metal
  7. 10. has a charge of -1 and is used for creating nuclear material
  8. 12. component of water and in the chalcogens group
  9. 16. Diagonal of Flourine and in the third row