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Rzqust [24]
3 years ago
6

raden-222 is a naturlly occuing isotope with a half life of 3.8 days if 4.0g of raden 222 gas wewre pumped in a container then h

ow much radon -222would be in the container 7.6 das later
Biology
1 answer:
svlad2 [7]3 years ago
4 0

1.0g

7.6/3.8=2

1. 4/2=2

2. 2/2=1

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