Across
- 3. Atomic mass is 35.45
- 5. Contains 4 neutrons
- 8. Atomic number of 14
- 9. Symbol is Fe
- 11. Has 86 electrons
Down
- 1. Atomic mass is 40.078
- 2. Symbol is K
- 4. Contains 7 electrons
- 6. Has 79 protons
- 7. Contains 11 protons
- 8. Contains 16 neutrons
- 10. Atomic number is 29