changes in the individual reactions that comprise it.
Heterogeneous
Heterogeneous
Nonuniform in composition.
Homogeneous
Homogeneous
Uniform in composition.
Hund’s rule
Hund’s rule
The rule that electrons will occupy all degenerate orbitals in a subshell with single electrons
having parallel spins before entering half-filled orbitals.
Hybridization
Hybridization
The combination of two or more atomic orbitals to form new orbitals for bonding purposes.
Hydrate
Hydrate
A compound with associated water molecules.
Hydrocarbons
Hydrocarbons
Organic compounds containing only carbon and hydrogen.