Why is element 118 so expensive?

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Tags

1. #millions
2. #produce
3. #francium
4. #lutetium
5. #stable
6. #enough
7. #atoms
8. #synthetic
9. #collected
10. #purchase
11. #could
12. #natural
13. #billions
14. #decays
15. #elements
16. #expensive
17. #grams
18. #dollars
19. #element
20. #quickly