Is half life period of hafnium 2*1000000000000000?which one id exist world or hafnium?

M. Mariappan @M-Mariappan

15 August 2017 1 4K Report

Any physics or chemistry research scholar

Gerhard Martens

You are right,

174Hf is reported to have 2*1015y half life time.

With respect to expected end of the universe I have heard about 1050y; but I don't know the reference yet.

So 174Hf should have been gone before the universe dies.

https://en.wikipedia.org/wiki/Isotopes_of_hafnium

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