Unit 5 Vocabulary

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Across
  1. 2. - has all the elements on one table.
  2. 3. - a type of atom defined by the number of protons and neutrons.
  3. 6. - a horizontal row on the periodic table.
Down
  1. 1. - a group of elements found on the left and middle of the periodic table.
  2. 4. - a ground of elements on the periodic table that lack typical metallic properties.
  3. 5. - up and down on the periodic table.