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Home Q & A Board Science-Related Homework Help Physics
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mikael mikael
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10 years ago Edited: 5 years ago, bio_man
Bismuth Bi is known to be radioactive. The stability of Bi with respect to alpha, beta-plus and beta-minus decay is to be determined. The following atomic masses are known:
He:4.002603 u
Tl:207.981998 u
Pb:211.991871 u
Bi:211.991255 u
Po:211.988842 u
The Bi nucleus is
• subject to beta-minus decay only.

• subject to beta-plus decay only.

• subject to alpha decay only.

• subject to alpha or beta-plus decay, but not beta-minus decay.

• subject to alpha or beta-minus decay, but not beta-plus decay.
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padrepadre
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9 years ago Edited: 5 years ago, bio_man
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mikael Author
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9 years ago
Thank you.
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