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OldSpice OldSpice
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Posts: 6432
10 years ago
What particle is emitted when a Fr-210 nucleus decays to At-206?
A) alpha
B) beta
C) neutron
D) positron
E) proton
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ElectricElectric
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10 years ago
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.silent.boss

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OldSpice Author
wrote...
10 years ago
Perfect!

..Thank you so much for your support
wrote...
10 years ago
My pleasure
.silent.boss
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