Periodic table crossword

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Across
  1. 2. I AM A SILVERY WHITE METAL USED TO MAKE SALT
  2. 4. SOMETIMES USEO AS A ELECTRO METAL WITH 28 electrons
  3. 5. Has the atomic symbol of K
  4. 8. ELEMENTS TO THE LEFT OF periodic TABLE ARE CALLED
  5. 11. how many electrons can go on the outside orbit of the atom
  6. 12. Has the mass number of 226
Down
  1. 1. Is the most reactive metal
  2. 3. Atomic number of 12
  3. 6. How many electrons can go on the inside orbit of the atom
  4. 7. My ATOMIC NUMBER IS 79
  5. 9. How many electrons can go on the middle orbit of the atom
  6. 10. Has the atomic symbol of AG