electron configuration

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Across
  1. 1. having this in the outer shell makes atoms stable
  2. 6. this element has the atomic mass of 14.007
  3. 8. the atomic number of Sodium
  4. 10. a metal atom loses this to become positively charged
  5. 11. positive ions attract this type of ion
  6. 14. the name of the vertical columns on the periodic table
  7. 15. the maximum number of electrons in the first shell
Down
  1. 2. C is the symbol for this element
  2. 3. the type of compounds formed when metals react with non-metals
  3. 4. the periodic table is made up of metals non-metals and
  4. 5. the name of the rows on the periodic table
  5. 7. alkaline metals belong to this group
  6. 9. the name of the outer shell of atoms
  7. 12. non-metals do this with electrons to achieve the octet arrangement
  8. 13. the number of electrons in the outer shell of noble gases