#periodic-table

2 articles

The Periodic Table: Why the Pattern Repeats

The periodic table is not an arbitrary chart. Ordered by atomic number and shaped by electron configuration, its rows and columns encode why elements repeat their chemistry.

10 min read·Jul 29, 2026

Chemistry

Atomic Structure and the Periodic Table

Electrons do not orbit. They occupy standing-wave probability clouds whose shapes and capacities are fixed by three quantum numbers — and those capacities are exactly why the periodic table has the blocks and row lengths it does.

11 min read·Jul 19, 2026