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Here is the problem which I am struggling on, please help me!

Problem: Thallium 208 81 Tl (atomic mass = 207.981988 u) is converted into lead 208 82 Pb (atomic mass = 207.976627 u) via Î²- decay.

A- What is the energy released in this process?

(in MeV)

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Category:- Physics
Reference No.:- M91227314

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