Second law of thermodynamics
Second law of thermodynamics
The law stating that all spontaneous processes lead to an increase in the entropy of the universe.
Semimetal
Semimetal
See Metalloid.
Semipermeable
Semipermeable
A quality of a membrane allowing only some components of a solution, usually including the
solvent, to pass through, while limiting the passage of other species.
Sigma (σ) bond
Sigma (σ) bond
A bond formed by head-to-head overlap of orbitals from separate atoms.
Solid
Solid
The phase of matter possessing the greatest order, in which molecules are fixed in a rigid
structure.
Solubility
Solubility
A measure of the amount of solute that can be dissolved in a solvent at a certain temperature.
Solubility product (Ksp)