Chemistry Practice

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Across
  1. 2. _____ metals are metals that are highly reactive and only have 1 valence electron
  2. 4. Atomic Radius increases as you move which way across a period
  3. 5. This element is in period 4 group 2
  4. 7. This element has the highest known electronegativity
  5. 11. The electrons in the outer most shell of an atom
  6. 12. Ability of an atom to attract and hold onto electrons
  7. 13. Mr. Pillath has two cats: Miss Chonk and...
Down
  1. 1. The distance from the center of the nucleus and the valence shell of the atom
  2. 3. The energy required to remove an electron from an atoms outer shell
  3. 6. _____ are elements that are non reactive and have a full valence shell
  4. 8. ______ are reactive non metals that are highly reactive and have 7 valence electrons
  5. 9. The horizontal rows of the periodic table
  6. 10. The vertical columns of the periodic table