Nuclear

Radium-226 emits an alpha particle.

Radium-222 undergoes α-decay.

Oganesson-294 undergoes alpha decay.

Nitrogen-16 undergoes β-decay.

Strontium-90 undergoes β-decay.

Iodine-131 undergoes radioactive decay.

Carbon-14 undergoes β-decay.

Technetium-99 undergoes β-decay.

Tritium (³H) undergoes radioactive decay.

Fluorine-18 undergoes positron emission.

Carbon-11 undergoes positron emission during a PET scan.

Fluorine-18 emits a positron.

Fluorine-18 emits a positron.

Fluorine-18 emits a positron.

Uranium-238 emits an α particle followed by a β particle.

Uranium-235 is bombarded with a neutron to form one nucleus containing 54 protons and 83 neutrons plus a second nucleus and two neutrons.

Uranium-235 undergoes nuclear fission to form barium-141 and krypton-92.

Boron-10 captures a neutron to produce an alpha particle and another species.

Cobalt-57 undergoes radioactive decay by electron capture.

Iodine-124 undergoes radioactive decay by electron capture.