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TEA [102]
3 years ago
10

Which radioisotope is used in dating geological

Chemistry
2 answers:
quester [9]3 years ago
7 0

Answer:

U- 238

Explanation:

Uranium-238 is used to date many geological samples, especially on materials that are thousands to over a million years old

PolarNik [594]3 years ago
3 0
(2) U-238 is the radioisotope used in dating geological formations. Uranium-238 has a half-life of 4.46 billion years, which makes it suitable to date such old formations.
The other options do not have such long durabilities and half-lives.
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n   l    m  

����������������������������������

1   0    0 1s 1 2 2

����������������������������������

2   0    0 2s 1 2  

2   1    1,0,-1 2p 3 6 8

����������������������������������

3   0    0 3s 1 2  

3   1    1,0,-1 3p 3 6  

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����������������������������������

4   0    0 4s 1 2  

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4   3    3,2,1,0,-1,-2,-3 4f 7 14 32

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