Properties of Elements Vocabulary

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Across
  1. 2. Made of one type of atom.
  2. 4. The smallest particle of an element that has the properties of that element.
  3. 5. A letter that represents an element.
  4. 7. Vertical columns on the periodic table.
  5. 8. The horizontal rows on the periodic table.
Down
  1. 1. Good conductors of electricity; reflective solids at room temperature.
  2. 3. Represents the number of protons in the nucleus of an atom
  3. 6. The center of an atom that holds the protons and neutrons.