Periodic Trends chemistry vocabs

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Across
  1. 2. An electron in the outermost shell of an atom that participates in bonding.
  2. 6. Measurement of how strongly an atom attracts shared electrons in a chemical bond.
  3. 7. The energy required to remove an electron from a gaseous atom.
  4. 9. Measurement of the atom's size
Down
  1. 1. Process of turning a neutral atom or molecule into a charged ion.
  2. 3. Positive charged ion formed when an atom loses electrons.
  3. 4. The energy released or absorbed when a neutral atom gains an electron.
  4. 5. Negatively charged ion formed when an atom gains electrons.
  5. 8. Atom or molecule with a net electrical charge due to the loss or gain of electrons.