POLARITY IN MATTER.
Ultimate elements of universe—Built up by polarity—Experiment with magnet—Chemical affinity—Atomic poles—Alkalies and acids—Quantivalence—Atomicity—Isomerism—Chemical stability—Thermochemistry—Definition of atoms—All matter built up by polar forces 65
A Modern Zoroastrian · The Wunder Library — complete classics, free to read, with narration.