periodic Trent's puzzle

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Across
  1. 2. in light signs)
  2. 3. has a mass of 14.01, 7 protons, 7 neutrons, and 7 electrons
  3. 5. Highest electro-negative in the noble gases group
  4. 9. out of the alkali earth metals it has the smallest atomic radius
  5. 12. Has one valence electron, its energy level is n=1
  6. 13. has a bigger atomic radius than be and a smaller atomic radius of ca and is an alkaline metal
Down
  1. 1. a halogen, non-metal and has a charge of -1
  2. 2. of the main things we breathe)
  3. 4. has the highest ionization energy
  4. 6. Has six valence electrons
  5. 7. has a atomic radius between
  6. 8. would have the highest electronegativity in the carbon group. (its the most common element in the universe.)
  7. 10. would lose 3 electrons and become a cation. Would have the smallest ionic radii
  8. 11. 11 protons, 12 neutrons, 11 electrons, 22.990 atomic mass