mendeleev - A Python package with properties of chemical elements, ions, isotopes and methods to manipulate and visualize periodic table.

What's Changed

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

Full Changelog: https://github.com/lmmentel/mendeleev/compare/v0.20.1...1.0.0