juli19818 juli19818
  • 21-04-2020
  • Chemistry
contestada

a sample of a radioactive isotope initially contains 20 x 10^10 atoms. After 16 days, 5 x 10^10 atoms remain. what is the half-life of the isotope?

A)12 days
B)20 days
C)10 days
D)16 days
E)8 days

Respuesta :

acampbell2007 acampbell2007
  • 21-04-2020
I think the answer is A but I could be wrong
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