Across
- 3. Phosphorus,Iodine,Radium,tellurium
- 5. Calcium,Iron
- 7. Calcium,Phosphorus
- 9. Barium,sodium,Neon
Down
- 1. Germanium,Neon
- 2. Oxygene,Hydrogene,Iodine,Oxygene
- 4. Astatine,Lanthanum,Nitogen,tantalum
- 6. Calcium,Neon
- 8. Barium,Cabon,Oxygene,nitrogene
- 9. Boron,Argon,Fluorine