Rubidium Cross word

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