Across
- 2. Phase at Room Temperature
- 3. Whats its symbol
- 4. is it soft or hard
- 6. What color is Rubidium
- 8. how flammable is rubidium
- 9. how fast does it react
- 11. Group in periodic table
- 12. what 2 people discovered Rubidium.
Down
- 1. what kind of chemical is it
- 5. what group is it in
- 7. how radioactive is it
- 10. Whats the atomic number