Gr 12 Definitions

Question 1

Organic molecules

Answer 1

Molecules containing carbon atoms

Question 2

Molecular formula

Answer 2

A chemical formula that indicates the element and numbers of each of the atoms in a molecule

Question 3

Structural formula

Answer 3

A structural formula of a compound shows which atoms are attached which within the molecule

Question 4

Condensed structural formula

Answer 4

This notation shows the way in which atoms are bonded together in the molecule but does not show all bond lines

Question 5

Hydrocarbon

Answer 5

Organic compounds that consist of hydrogen and carbon only

Question 6

Homologous series

Answer 6

A series of organic compounds that can be described by the same general formula in which one member differs from the next with a CH2 group

Question 7

Saturated compounds

Answer 7

Compounds in which there are no multiple bonds between C atoms in the hydrocarbon chains

Question 8

Unsaturated compounds

Answer 8

Compounds with one or more multiple bonds between C atoms in the hydrocarbon chains

Question 9

Functional group

Answer 9

A bond on atom or a group of atoms that determine or determines the physical and chemical properties of a group of organic compounds

Question 10

Structural isomer

Answer 10

Organic molecules with the same molecular formula but different structural formula

Question 11

Chain isomers

Answer 11

Same molecular formula but different types of chains

Question 12

Positional isomers

Answer 12

Same molecular formula but different positions of the side chain substituents of functional groups on the parent chain

Question 13

Functional isomers

Answer 13

Same molecular formula but different functional groups