Across
- 2. is a flammable gas
- 4. looks like pale gold
- 6. included among the rare earth elements
- 7. hard grey metal
- 10. used in fireworks
- 11. important component of special steels and magnetic alloys.
- 14. rare in nature
- 16. a greyish white metal
- 17. is essential in bone, teeth and shells
- 18. used in stainless steels
- 20. used in flash bulbs
Down
- 1. used to make alloy steels
- 3. decay product in uranium and thorium ores
- 5. used in water purification
- 8. It is used to make strong, light corrosion-resistant alloys
- 9. used as a material for construction and manufacturing
- 12. soft silver white reactive metal
- 13. used in the manufacture of fertilisers, soaps, and glass
- 15. soft silver white metal
- 19. symbol is rb