Yes, because francium is a strongly radioactive element.
Keep equipment dry.
Stay away from it.
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Make sure that they are not stolen?
No. While precautions can be taken to make sure you don't catch it (as usual with the flu), there is no reason to fear it.
Yes any exposure to asbestos can be dangerous if adequate precautions are not taken.
5,000 years
Chimpanzees were eating bananas wen she was observing them.
The smallest atom is helium (nucleus and electrons) while francium is the largest. Helium: 28 picometer francium: 260 picometer
Make sure you are clean and well trained while attempting the procedure and wear gloves. Work in a well ventilated space and follow universal precautions. Follow needle stick procedures if you are stuck or cut during the procedure.
How do you avoid distortion while observing an organism closely using a convex lense?