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