Chemistry
Articles about matter, substances, reactions and chemical science.
Selenic acid
Selenic acid (H2SeO4)
Selenide
Selenide (the Se2− ion and its compounds)
Selenite
Selenium
Selenium dioxide
Selenium disulfide
Selenium hexafluoride
Selenium hexafluoride (SeF6)
Selenium monochloride
Selenium monochloride (Se2Cl2): properties, structure, synthesis, uses
Selenium tetrachloride
Selenium tetrafluoride
Selenium tetrafluoride (SeF4)
Selenium trioxide
Selenium trioxide (selenium(VI) oxide), SeO3
Selenous acid
Selenous acid (H2SeO3): properties, preparation, uses, and safety
Semiconductor
Semisolid
Semisolid: properties, examples, and applications
Semtex
Separating funnel
Shampoo
Shampoo: cleansing products for hair and body
Shampoo is a formulated cleanser for hair and scalp, designed to remove oils, dirt and styling residues. Types include daily, clarifying, conditioning, medicated and solid bars; se
Shielding effect
Shielding effect (electronic screening) in atoms
Side chain
Side chain (chemistry)
Sigma bond
Sigmatropic reaction
Silicate
Silicate: structure, types, occurrence and uses
Silicon
Silicon: properties, occurrence, uses, and role in technology
Silicon dioxide
Silicon Dioxide (Silica): Properties, Natural Forms, Uses and Health Effects
Silicone
Silicone (silicones): chemistry, properties, history and uses
Silver
Silver bromide
Silver bromide (AgBr): properties, structure, and photographic use
Silver chloride
Silver fluoride
Silver iodate
Silver iodate (AgIO3)
Silver iodide
Silver iodide (AgI)
Silver nitrate
Silver oxide
Silver oxide battery
Silver(I,III) oxide
Silver(I) carbonate
Silver(I) fluoride
Silver(I) oxide
Silver(I) sulfide
Silver(I) sulfide (Ag2S)
Silver(II) fluoride
Silver(II) fluoride (AgF2): properties, uses and safety
Simplified molecular input line entry specification
Simplified molecular-input line-entry specification (SMILES)
Sintering
Sintering: Powder Consolidation and Solid-State Densification
Slag
Slag (byproduct of iron and steelmaking)
Slurry
Smelting
Smoke
Smoke: composition, hazards, uses, and distinguishing features
SN1 reaction
SN1 reaction — unimolecular nucleophilic substitution
SN2 reaction
SN2 reaction (bimolecular nucleophilic substitution)