Question: Tritium (3H) undergoes decay with a half-life of 12.3 years. It is also highly toxic to living things. (a) What nucleus is produced in

Tritium (3H) undergoes β– decay with a half-life of 12.3 years. It is also highly toxic to living things.
(a) What nucleus is produced in the β– decay of tritium?
(b) Suppose some tritium gas is released into the atmosphere in a nuclear power plant accident. How long will it take for 90.0% of the tritium to become nonradioactive?

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