Curie Notes 16: The Periodic Table and Its Trends
Mendeleev left empty places and the elements came to fill them. Here is why the table has its shape, and why atoms grow, shrink, give and take as they do.
Mendeleev's table and its gaps, blocks and groups, shielding and effective nuclear charge, and the trends in radius, ionisation energy and electronegativity.
Marie Curie
November 8, 2026
27 min