moop6931 moop6931
  • 16-03-2019
  • Chemistry
contestada

A rock formed with 1,000 atoms of a radioactive parent element, but only contains 12.5% of its original radioactive parent atoms today. if the half-life is 1,000,000 years, how old is the rock? (ess 4.6)

Respuesta :

alraji375 alraji375
  • 27-03-2019

The rock is 2,000,000 years old.

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