gregorycohen gregorycohen

01-10-2020
Physics

contestada

What percentage of the atoms in a sample of plutonium-238 will remain radioactive after 263.1 years?
%

Respuesta :

ga3eh7k6ex ga3eh7k6ex

02-10-2020

Answer:I need the answer too

Explanation:

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thomasisqueer thomasisqueer

02-10-2020

Answer:

The half-life of plutonium-238 is 87.7 years.

What percentage of the atoms in a sample of plutonium-238 will remain radioactive after 263.1 years?

12.5

%

What percentage of the atoms in the same sample of plutonium-238 will have changed to a stable isotope after 263.1 years?

87.5

%

Explanation:

Answer Link

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