Californium $25-27 million per gram and most expensive chemical element ever 
. It has been synthesized only once since its discovery in 1950.
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Interesting, I've never heard of it before.... sounded like it could've been a crypto haha
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Thanks bro i doing research about unique thing which are naver seen before as like my other post
but dear you can't give me vote
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A wonderful post. Continue in the same spirit. I like and thanks
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thanx me dear friend dreamcatchers
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I see you like science... Nice post too! Maybe you want to look at my Pizza Science post about why blood is red too? https://steemit.com/steemit/@pizzachain/pizza-science-why-is-blood-red
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ok bro i will see your post and vote you :)
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