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Neutron-poor nuclides with atomic numbers less than 83 tend to decay by either electron capture or positron emission.

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This calculation helps us understand the fascination of nuclear reactions.

The energy released when natural gas is burned is about 800 k J/mol.

The excess energy associated with this excited state is released when the nucleus emits a photon in the -ray portion of the electromagnetic spectrum.

Most of the time, the -ray is emitted within 10Nuclides with atomic numbers of 90 or more undergo a form of radioactive decay known as spontaneous fission in which the parent nucleus splits into a pair of smaller nuclei.

He argued that a neutron could decay to form a proton by emitting an electron.