The periodic table

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Across
  1. 3. Ionization energy ________as you move from left to right, across a period on the periodic table.
  2. 5. The element that requires the most energy to remove an electron from group 13.
  3. 6. the minimum energy required to remove an electron from the ground state of an atom
  4. 9. The element Pr is in this group.
  5. 12. The smallest atom in group 17
  6. 14. The rows on the periodic table (horizontal).
  7. 15. A measure of the size of an atom, and is generally defined as the distance from the nucleus to the outermost electron orbit
  8. 16. Earth Group 2 on the periodic table.
Down
  1. 1. Group 17 on the periodic table.
  2. 2. the tendency of an atom to attract electrons and acquire a negative charge
  3. 4. The largest atom in the periodic table.
  4. 7. Which is the most electronegative atom from the list Sc, Ti, V, Cr, and Mn?
  5. 8. The columns on the periodic table (vertical).
  6. 10. Which has the largest ionic size, F, Cl, Br, or I?
  7. 11. Group 1 on the periodic table.
  8. 13. The largest atom in period 3