* Added new properties of isotopes: ``spin``, ``g_factor``, ``quadrupole_moment``
0.3.0
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* Updates of the documentation and tutorials * Added radioactive isotope half-lifes
0.2.17
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* Extended the schema for isotopes with additional attributes and updated the values of abundancies, half lifes and mass uncertainties. * Updates to the tutorials and docs.
0.2.16
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* Corrected the radioactive attribute of Th, Pa and U elements.