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The most common is alpha decay.
zeyta
gamma decay
All isotopes of polonium can undergo alpha decay, a small number of isotopes can also undergo beta decay, K capture decay, or gamma decay.
That depends on the nuclear decay type. For gamma decay, the identity does NOT change, but for alpha and beta, it does.
The lightest "element" that can undergo radioactive decay is the isotope hydrogen-3, which undergoes beta decay. The lightest element with no radioactively stable isotopes is technetium, and its isotopes have different modes of decay.
Francium-223 decay to radium-223; each isotope have another type of decay.
Krypton-74 will most likely undergo beta decay, and the type of beta decay an observer will encounter will be beta plus decay. A proton in the nucleus will undergo a change and become a neutron, and a positron (e+) and an antineutrino (ve) will emerge from the reaction. The krypton-74 atom will transmute into a bromine-74 atom. The equation will look something like this: 3674Kr => 3574Br + e+ + ve
Alpha decay. Alpha particles are the same as a helium-4 nucleus.
strong force & weak force
The decay that occurs for Am-241 to become Np-237 is called alpha decay. Alpha decay is characterized by a decrease of 2 in the atomic number and 4 in the mass number.
absolutely. such isotopes are likely to decay by emitting positrons or by K capture, instead of by emitting electrons when they undergo beta type decay.