Francium is a chemical element; It has symbol fr and atomic number 87. The most expensive element on the list is francium which costs about $1 billion per gram because naturally occurring francium decays quickly. The cost to synthetically create. Sep 1, 2005 · due to its rarity, francium is considered valuable by many scientists and collectors.
Dec 25, 2020 · what is francium cost? If you were to somehow amass a gram of francium the cost is estimated to be around $1 billion. Named for its discovery within a university of. Jul 12, 2023 · 1. You might ask how could such an element be so expensive.
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