Definitions Flashcards
Aliphatic hydrocarbon
A hydrocarbon with carbon atoms joined together in straight or branched chains
Boltzmann distribution
A diagram showing the distribution of energies of the molecules at a particular temperature
Bond dissociation enthalpy
The enthalpy change that occurs when by breaking by homolytic fission one mole of a given bond in the molecules of a given species
Dipole dipole force
An attractive force between between permanent dipoles in neighbouring polar molecules
Electron shielding
The repulsion between electrons in different inner shells . Shielding Reduces the net attractive force from the positive nucleus on the outer shell electrons
Enantiomers other name
Optical isomers (non superimposable mirror images)
Electronegativeity
A measure of the attraction of a bonded atom for the pair of electrons in a covalent bond
Functional group
The part of the molecule that is responsible for its chemical reactions
General formula
The simplest algebraic formula of a member of a homologous series
