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