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Submitted 247 days ago...

athomas

athomas

New User (9)

Which, if any, of the following elements have no radioactive isotopes

Your choices are:
a. hydrogen
b. potassium
c. uranium
d. all of these elements have no radioactive isotopes

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Answer 1 / 1 - Submitted 217 days ago...

ABHIJEET

ABHIJEET

Authority (229)

Hi,
All the above mentioned elements have atleast one radioactive isotop.
1. Hydrogen has an isotop tritium which is radioactive.
2. Potassium has many radioactive isotops like k40,k42,k43 etc.
3.Uranium has many famous radioactive isotops like U235 and U238.

So better review the options.
Regards Abhi

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