periodic table

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Across
  1. 3. property of the elements that can be predicted from the arrangement of the periodic table
  2. 6. an element that conducts heat and electricity poorly, usually dull and brittle
  3. 8. one-half the distance between the nuclei of identical atoms that are bonded together
  4. 9. A method for representing an atom's valence electrons using dots around the element symbol.
Down
  1. 1. Electrons on the outermost energy level of an atom
  2. 2. an element that is shiny and that conducts heat and electricity well
  3. 4. A horizontal row of elements in the periodic table
  4. 5. A column on the periodic table
  5. 7. States that atoms lose, gain or share electrons in order to acquire a full set of eight valence electrons in most cases