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To which radioactive families do the fol...

To which radioactive families do the following nuclides belong?
`.^(222)Rn`, `.^(228)Ra`, `.^(307)Pb`, `.^(209)Bi`, `.^(233)Pa`

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To determine the radioactive families to which the given nuclides belong, we will follow these steps: ### Step 1: Understand the Families There are four radioactive families based on the remainder when the mass number is divided by 4: - **Thorium Family**: \(4n\) (remainder 0) - **Neptunium Family**: \(4n + 1\) (remainder 1) - **Uranium Family**: \(4n + 2\) (remainder 2) - **Actinium Family**: \(4n + 3\) (remainder 3) ...
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