smithansleigh smithansleigh
  • 26-03-2021
  • Chemistry
contestada

The half-life of 3H (H-3) is 12 years. About how long does it take for 127/128 of a sample of that radionuclide to decay? (Hint: this means only 1/128 are left)
A: 7 years
B:11.9 years
C:84 years
D:12.1 years

Respuesta :

ashleymann2003 ashleymann2003
  • 27-03-2021

Answer:

i do believe its 7

Explanation:

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ianna230
ianna230 ianna230
  • 14-10-2021

Answer:84

Explanation:

Answer Link

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