The Einstenium-258verse, or Es-258verse, is a verse that contains only one atom of Einstenium-258. The atom's electron cloud is very "crunched", having a diameter of 2.1 Ångstrons, to fit in this verse. It is the product of the decay of the Md-262verse, and decays into Berkelium-254verse. It has a lifespan of 57 hours.

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