Across
- 2. Mass number is 12
- 4. Atomic Number is 1
- 6. Chemical Symbol is Si
- 8. Mass number is 24
- 9. Chemical symbol is Li
- 10. Chemical symbol is O
Down
- 1. Chemical symbol is B
- 3. Atomic number is 9
- 4. Atomic number is 2
- 5. Atomic number is 7
- 7. Mass number is 19