Vocabulary

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Across
  1. 1. ex. Noble gases, alkali metals, transition metals
  2. 5. A positively charged ion
  3. 8. A class of certain elements that make up most of the periodic table
  4. 10. Any element that is neither metals nor non-metal
  5. 11. A molecule with the ability to add a charge to an atom
  6. 12. A negatively charged ion
  7. 13. Any metal within the first column of the periodic table
  8. 14. A group of naturally occuring gases that are slightly reactive
  9. 16. A class of certain elements that make up a smaller portion of the periodic table
  10. 17. Metallic elements that have valence electrons in two shells instead of one
  11. 18. The process of gaining or losing electrons
Down
  1. 2. Elements with completed inner shells but incomplete outer shells
  2. 3. The distance from an atoms nucleus to its outermost electron
  3. 4. Created the period table
  4. 6. A law that the properties of the elements are periodic functions of their atomic numbers
  5. 7. An atoms ability to attract shared electrons to itself
  6. 9. The horizontal rows of the periodic table
  7. 12. Any metal within the second column of the periodic table
  8. 15. Any metal within the seventeenth column of the periodic table