chem definition test- 11 sept

Im gonna get all my definitions right

hydrocarbon

a compound containing only carbon and hydrogen atoms

Saturated Compound

a compound in which all of the bonds between carbon atoms are single bonds

Unsaturated Compound

a compound in which there is at least one double and/or triple bond between carbon atoms

functional group

an atom or a group of atoms that form the centre of chemical activity in the molecule.

homologous series

• a series of similar compounds

• which have the same functional group

• and have the same general formula

• in which each member differs from the previous one

• by a single CH₂ unit

Redox reactions

a reaction involving the transfer of electrons

Oxidation

the loss of electrons

Reduction

the gain of electrons

Oxidising agent

a substance that accepts electrons

Reducing agent

a substance that donates electrons

Anode

the electrode where oxidation takes place

Cathode

the electrode where reduction takes place

electrolyte

• A substance that can conduct electricity

• due to the presence of free (mobile) ions

• when molten or when dissolved in solution.

dissociation

splitting of an ionic compound into its ions