Tag
#atomic-structure
2 articles
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 minJul 19, 2026
Chemistry
Spectroscopy: Reading Matter with Light
Atoms absorb and emit light only at wavelengths set by their electron energy levels, so light carries a fingerprint of composition — the basis of knowing what stars, galaxies, and unknown compounds are made of, remotely.
10 minJul 4, 2026