Scince vocbulary

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Across
  1. 3. A subatomic particle with a negative charge
  2. 4. Combination of 2 or more elements
  3. 6. Where a substance goes through a chemical change
  4. 8. The smallest part of a chemical element
  5. 9. Number in front of symbol
  6. 10. A substance undergoes a chemical reaction
Down
  1. 1. subatomic particle with a positive electrical charge
  2. 2. Substance formed as a result of a chemical reaction
  3. 5. A subatomic particle with a neutral charge
  4. 7. Shows how many atoms of an an element are present