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chmilz t1_iy52jss wrote

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FalconX88 t1_iy556ch wrote

I mean beryllium would be slightly better, but everything is worse than hydrogen. Hydrogen has the highest (useable) electron to weight ratio.

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Spudgunhimself t1_iy5sg4c wrote

Well the only lighter reactive element than lithium is hydrogen, so at that point you'd just be making a hydrogen fuel cell 😂

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