Mendeleev

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* [MNT] Switch to PyPI Trusted Publishing by :user:`lmmentel` in :pr:`220`
* [ENH] Add price per kg for elements by :user:`lmmentel` in :pr:`221`
* [DOC] Add **CONTRIBUTING.md** and **CODE_OF_CONDUCT.md** by :user:`lmmentel` in :pr:`222`
* [DOC] Formatting corrections for data docs by :user:`lmmentel` in :pr:`223`
* [MNT] Add coverage print to CI tests by :user:`lmmentel` in :pr:`224`
* [ENH] Add ``isotope`` method to access a single isotope from ``Element`` by :user:`lmmentel` in :pr:`225`
* [FIX] Replace stored atomic volumes with computed ones by :user:`lmmentel` in :pr:`227`
* [ENH] Update **nuclear g-factor** data by :user:`lmmentel` in :pr:`230`
* [ENH] Update **nuclear electric quadrupole moment** data by :user:`lmmentel` in :pr:`231`
* [MNT] Refactor and speed up Sanderson's electronegativity calculation by :user:`lmmentel` in :pr:`233`
* [DOC] Add contributor's guide to the docs by :user:`lmmentel` in :pr:`234`
* [MNT] Remove deprecated code and columns by :user:`lmmentel` in :pr:`235`
* [ENH] Refactor ``__repr__`` to ``ReprMixin`` for all models by :user:`lmmentel` in :pr:`236`

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* [DOC] Add a reference to `mendeleev-data` repo by :user:`lmmentel` in :pr:`217`
* [DOC] Clean-up tutorial docs by :user:`lmmentel` in :pr:`218`
* [FIX] Correct path for sqldiff by :user:`lmmentel` in :pr:`219`

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* [MNT] Add function to update model data from dataframe by :user:`lmmentel` in :pr:`207`
* [ENH] Add Robles-Bartolotti and Gunnarsson-Lundqvist electronegativities by :user:`lmmentel` in :pr:`208`
* [ENH] Add supply risk attributes from RSC by :user:`lmmentel` in :pr:`209`
* [MNT] Add missing migration for supply risk attributes by :user:`lmmentel` in :pr:`210`
* [MNT] Automating rendering documentation tables by :user:`lmmentel` in :pr:`211`
* [FIX] Correct melting and boiling points for Carbon allotropes by :user:`lmmentel` in :pr:`214`
* [MNT] Deprecate Element.annotation by :user:`lmmentel` in :pr:`215`
* [MNT] Include python 3.13 in CI testing matrix by :user:`lmmentel` in :pr:`191`
* [MNT] Increase test coverage by :user:`lmmentel` in :pr:`216`

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* [DOC] Update docs for atomic scattering factor by :user:`lmmentel` in :pr:`203`
* [ENH] Add Miedema's scale of electronegativity by :user:`lmmentel` in :pr:`204`
* [ENH] Improve data export by :user:`lmmentel` in :pr:`205`
* [ENH] Update ionization energy data and metadata from NIST ASD by :user:`lmmentel` in :pr:`192`
* [FIX] Correct the electronic configuration for Lr by :user:`lmmentel` in :pr:`190`
* [FIX] Fix footnotes on data doc page by :user:`lmmentel` in :pr:`206`
* [FIX] Typo in changelog by :user:`lmmentel` in :pr:`196`
* [FIX] Update values of oxidation states by :user:`lmmentel` in :pr:`202`
* [MNT] Add dependency caching in CI by :user:`lmmentel` in :pr:`197`
* [MNT] Add pytest-xdist to dev deps and configure to use all cores by :user:`lmmentel` in :pr:`201`
* [MNT] Bump versions of dev dependencies by :user:`lmmentel` in :pr:`200`
* [MNT] Improve performance of `fetch_electronegativity` by :user:`lmmentel` in :pr:`198`

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* [MNT] drop pdf format from docs by :user:`lmmentel`

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* [ENH] Add atomic scattering factors by :user:`lmmentel` in :pr:`174`
* [DOC] Update data documentation by :user:`lmmentel` in :pr:`175`
* [DOC] Add api docs for the ``PhaseTransition`` model by :user:`lmmentel` in :pr:`181`
* [DOC] Add ``phasetransitions`` table to data access docs by :user:`lmmentel` in :pr:`183`
* [DOC] Correct the data export instructions by :user:`lmmentel` in :pr:`184`
* [DOC] Add metadata on ``PhaseTransition`` and update docs by :user:`lmmentel` in :pr:`185`
* [DOC] Update tutorial notebooks by :user:`lmmentel` in :pr:`187`