Across
- 4. Highly radioactive metal
- 8. Semi soft reactive
- 9. Light weight high strength
- 10. A very hard brittle silvery white transition metal of platinum group
- 13. Soft dull dull metals are insulators
- 15. Violent reaction with metals
- 16. It is highly chemically reactive
- 19. Soft silvery and very reactive
- 20. Is a soft light reactive metal
Down
- 1. Is a synthetic chemical it’s symbol is HS
- 2. Never react with others
- 3. Rare metal found naturally on earth
- 5. Good conductors of heat and electricity
- 6. Is one of the moist reactive and softest metals of all
- 7. Good conductors high density, high melting point
- 11. Is found in the earths crust
- 12. Named after the US state of Tennessee
- 14. Is an artificial element and does not exist in nature
- 17. A radioactive noble gas that’s colorless and odorless
- 18. Used for neon signs and lasers