mariap3504 mariap3504

03-10-2018
Chemistry

contestada

How many grams of a 1000-gram radioactive sample are left after 3 half-lives? *
1 point
1000 grams
500 grams
250 grams
125 grams
2000 grams

Respuesta :

pbsindhuja pbsindhuja

03-10-2018

The answer is 125 gms.

Ver imagen pbsindhuja

Answer Link

mausamshrestha5 mausamshrestha5

26-04-2021

Answer:

first half of 1000gram=1000/2=500g

second half of 1000gram=500/2=250g

third half of 1000gram=250/2=125 g

Explanation:

in simple

third half of 1000 g=1000/(2³)=125gram

Answer Link

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