Unit 6 Crossword

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Across
  1. 2. The amount of energy required to remove an electron from an isolated atom or molecule
  2. 8. The measure of an atom's ability to attract the shared electrons of a covalent bond to itself
  3. 9. Most reactive group of nonmetals
  4. 10. Electrons in outermost energy level
Down
  1. 1. Unreactive group of elements
  2. 3. Have both metallic and nonmetallic properties
  3. 4. Most reactive group of metals
  4. 5. Lack metallic properties
  5. 6. Horizontal row on periodic table
  6. 7. Vertical column on periodic table