PanisAngelicus
Badges: 2
Rep:
?
#1
Report Thread starter 2 years ago
#1
Uranium 238 (U238) decays through a long series of intermediate radionuclides to stable atoms of the isotope lead 206 (Pb)A sample of igneous rock contains 3 atoms of uranium 238 for every atom of lead 206 (Pb206)i) The intermediate radionuclides are not important when estimation the age of the rock. Explain why.ii) Estimate the age of the rock in years.
0
reply
nerak99
Badges: 13
Rep:
?
#2
Report 2 years ago
#2
You need to have some figures regarding the effective half life from U to Pb. Without that we can't tell how quickly U decays to Pb.
0
reply
X

Quick Reply

Attached files
Write a reply...
Reply
new posts
Back
to top
Latest
My Feed

See more of what you like on
The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

Personalise

Have you made your mind up on your five uni choices?

Yes, and I've sent off my application! (96)
58.18%
I've made my choices but havent sent my application yet (18)
10.91%
I've got a good idea about the choices I want to make (21)
12.73%
I'm researching but still not sure which universities I want to apply to (12)
7.27%
I haven't started researching yet (9)
5.45%
Something else (let us know in the thread!) (9)
5.45%

Watched Threads

View All