Chemistry Definitions Module 4.1.1
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Aliphatic
A compound containing carbon and hydrogen atoms joined in straight or branched chains or in non-aromatic rings
Empirical Formula
The simplest whole number ratio of atoms of each element present in a compound
Alicyclic
An aliphatic compound that is arranged in non-aromatic rings
Alkane
A homologous series with general formula CnH2n+2
Alkyl
A group with the general formula CnH2n+1
Aromatic
An organic compound containing a benzene ring
Curly Arrow
Shows the movement of a pair of electrons. Curly arrows must start from a bond, a lone pair of electrons or a negative change
Dipole
A partial charge on an atom which is caused by the differing electronegativities of atoms in a covalent bond
Displayed Formula
The relative positions of atoms and the bonds between them
Functional group
A group of atoms responsible for the characteristic reactions of a compound
General Formula
The simplest algebraic formula of a member of a homologous series
Homologous Series
A series of organic compounds containing the same functional group with successive members differing by -CH2
Empirical Formula
The simplest whole number ratio of atoms of each element present in a compound