Unit 1: Crossword puzzle

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Across
  1. 2. Multiple atoms bonded together that cannot be separated by normal means.
  2. 6. What type of change is vinegar mixed with baking soda
  3. 7. Elements that are like both metals and nonmetals
  4. 8. Horizontal row on the periodic table
Down
  1. 1. The Number representing the amount of protons in the nucleus of an atom
  2. 3. Elements on the left side of the periodic table. Shiny and conductive
  3. 4. A combination of substances that can be separated by normal means
  4. 5. Subatomic particles with no charge (neutral)