Resonance
Delocalization of electrons within a compound that cannot be adequately represented by Lewis
structures.
s subshell
s subshell
The subshell corresponding to the angular momentum quantum number l = 0, and containing
one spherical orbital; found in all energy levels.
Salt
Salt
An ionic substance, i.e., one consisting of anions and cations, but not hydrogen or hydroxide
ions. Any salt can be formed by the reaction of the appropriate acid and base, e.g., KBr from HBr and
KOH.
Saturated hydrocarbon
Saturated hydrocarbon
A hydrocarbon with only single bonds.Saturated solution
Saturated solution
A solution containing the maximum amount of solute that can be dissolved in a particular
solvent at a particular temperature.
Scintillation counter
Scintillation counter
An instrument used to measure radioactivity by the amount of fluorescence produced.