Periodic Table

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Across
  1. 4. The tendency of an atom to attract bonding electrons is known as _________________.
  2. 6. The amount of energy needed to remove a valence electron is known as the _______________ energy
  3. 8. The atomic _________ describes the distance between two neighboring nuclei (aka how big an atom is)
  4. 9. Elements in Group 8A on the periodic table are known as ________ gases.
  5. 11. As you go across a period, electronegativity increases because there are more ___________ pulling on the shared electrons.
  6. 12. A vertical column on the periodic table is called a _______.
Down
  1. 1. Elements in Group 7A on the periodic table are known as ___________.
  2. 2. Elements in Group 1A on the periodic table are known as ___________ metals.
  3. 3. These elements have properties that are in-between those of metals and nonmetals.
  4. 5. Elements in the d-block (middle portion) of the periodic table are known as ____________ metals.
  5. 7. As you go across a period, ionization energy tends to ____________.
  6. 10. A horizontal row on the periodic table is called a ________.