Radium-226 decays by alpha decay to
A) barium-131.
B) cobalt-60.
C) radon-222.
D) polonium-218.
E) carbon-14.
Correct Answer:
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A)iodine-132.
B)xenon-131.
C)tellurium-131.
D)bromine-131.
E)iodine-130.
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A)a
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