Tolong jelaskan mengenai H dari Daptar jejer kimia dalam bahasa sunda

H. M. Rouell — Hafnium — half-life — Halite — halogen — halogenoalkane — Hans Fischer — Hans Karl August Simon von Euler-Chelpin — Harold Clayton Urey — Harold Kroto — Hartmut Michel — Hassium — heat — Heat of fusion — Heat of vaporization — Heavy metal (chemistry) — Heinrich Otto Wieland — Helium — Hematite — Henri Louis le Chatelier — Henri Moissan — Henry Taube — Heptane — Herbert A. Hauptman — Herbert C. Brown — Hermann Emil Fischer — Hermann Staudinger — heterocyclic compound — Hexane — Hiddenite — Hideki Shirakawa — Histidine — Holmium — Hornblende — Huebnerite — Humphry Davy — Hund's rule — Hutchinsonite — Hyalite — Hydrazine — hydrocarbon — Hydrochloric acid — hydrogen — Hydrogen bond — Hydrogen cyanide — Hydrogen peroxide — Hydrogen sulfide — Hydrolysis — hydroxide — hydroxyl —