Periodic Trends

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Across
  1. 2. – Effective nuclear charge felt by valence electrons.
  2. 3. – Elements in the d-block with partially filled d-orbitals.
  3. 4. – Vertical column in the periodic table with similar properties.
  4. 8. – Reduction of nuclear attraction on outer electrons due to inner electrons.
  5. 10. – Energy change when an atom gains an electron.
  6. 12. – Radioactive elements in the f-block (atomic numbers 89–103).
  7. 13. – Rare earth metals in the f-block (atomic numbers 57–71).
  8. 15. – Electrons in the outermost shell involved in bonding.
  9. 16. – Energy required to remove an electron from an atom.
Down
  1. 1. – Ability of an atom to attract electrons in a bond.
  2. 5. – Repeating pattern of properties across the periodic table.
  3. 6. – Highly reactive nonmetals in Group 17.
  4. 7. – Degree to which an element exhibits metallic properties.
  5. 9. – Degree to which an element exhibits nonmetallic properties.
  6. 11. – Distance from the nucleus to the outermost electron.
  7. 14. – Horizontal row in the periodic table.