Chem Review

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Across
  1. 2. Steel
  2. 5. Two or more different atoms
  3. 8. Atoms having the same number of protons in their atomic nuclei
  4. 9. Positive Charged Ion
  5. 11. Positively charged subatomic particle
Down
  1. 1. subatomic particle with NO charge
  2. 3. Negative charged ion
  3. 4. Study the composition, structure, properties & change of matter
  4. 6. Hard
  5. 7. consists of 5 chemically related element
  6. 10. Number Number of protons found in nucleus