How is it possible for an element to decay "forward in the periodic table"-that is, to decay to an element of higher atomic number?
A. as a beta particle is released, a neutron transforms into a proton
B. when the decay is instigated by a collision with a proton
C. This only occurs during nuclear fusion.
D. It is not possible. Radioactive decay always results in an isotope with the same or lower atomic number.
Answer: A
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