Answer: It actually remains the same.
Explanation: Gamma radiation does not affect the atomic number or the atomic mass.
Radioactive elements are the unstable nuclei of the atoms that release energy and radiation. The atomic number remains the same in case of the gamma radiation.
Gamma radiations are the particles that are released when the unstable atom undergoes decay and emits charged particles. These rays have no effect on the atomic mass and number of the atom.
These rays only emit energy whereas alpha and beta decay produces energy and new particle. An excited nucleus emits energy in the case of gamma decay that is unlike the other two decays.
Therefore, there is no change in the atomic number in gamma decay.
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