1

An agent able to produce positively charged hydrogen ions (H+). [Since the hydrogen ion is a bare proton, it usually exists in a solvated form (such as H3O+).]

acid

2

A compound (or object) that is superimposible on its mirror image.

achiral

3

The minimum energy which reacting species must possess in order to be able to form an 'activated complex', or 'transition state', before proceeding to the products.

activation energy

4

Reactions in which an unsaturated system is saturated or part saturated by the addition of a molecule across the multiple bond.

addition reactions

5

Organic substances occurring naturally, which are basic, forming salts with acids. The basic group is usually an amino function.

alkaloid

6

A group containing 3 carbon atoms and a double bond

allyl group

7

The migration of a double bond in a 3-carbon system from carbon atoms one and two to carbon atoms two and three

allylic rearrangement

8

The specific term used to describe carbohydrate stereoisomers differing only in configuration at the hemi-acetal carbon atom.

anomers

9

An aromatic molecule or ion possesses aromaticity. Aromaticity is the special property of planar (or nearly planar) cyclic, conjugated systems having (4n+2) conjugated pi electrons.

aromatic

10

A term applied to the combination of molecules of a substance with one another to form more complex systems.

association

11

A term applied an object or molecule that does not possess symmetry.

asymmetry

12

A a term applied to the selective synthesis of one diastereomeric form of a compound resulting from the influence of an existing chiral centre adjacent to the developing asymmetric carbon atom.

asymmetric induction

13

The energy levels of electrons in an atom which may be described in terms of the four quantum numbers.

atomic orbital

14

The number of particles (atoms or molecules) in one mole of any pure substance.

Avogadro's constant

15

A base is a substance that can combine with a proton.

Base

1

An agent able to produce positively charged hydrogen ions (H+). [Since the hydrogen ion is a bare proton, it usually exists in a solvated form (such as H3O+).]

acid

2

A compound (or object) that is superimposible on its mirror image.

achiral

3

The minimum energy which reacting species must possess in order to be able to form an 'activated complex', or 'transition state', before proceeding to the products.

activation energy

4

Reactions in which an unsaturated system is saturated or part saturated by the addition of a molecule across the multiple bond.

addition reactions

5

Organic substances occurring naturally, which are basic, forming salts with acids. The basic group is usually an amino function.

alkaloid

6

A group containing 3 carbon atoms and a double bond

allyl group

7

The migration of a double bond in a 3-carbon system from carbon atoms one and two to carbon atoms two and three

allylic rearrangement

8

The specific term used to describe carbohydrate stereoisomers differing only in configuration at the hemi-acetal carbon atom.

anomers

9

An aromatic molecule or ion possesses aromaticity. Aromaticity is the special property of planar (or nearly planar) cyclic, conjugated systems having (4n+2) conjugated pi electrons.

aromatic

10

A term applied to the combination of molecules of a substance with one another to form more complex systems.

association

11

A term applied an object or molecule that does not possess symmetry.

asymmetry

12

A a term applied to the selective synthesis of one diastereomeric form of a compound resulting from the influence of an existing chiral centre adjacent to the developing asymmetric carbon atom.

asymmetric induction

13

The energy levels of electrons in an atom which may be described in terms of the four quantum numbers.

atomic orbital

14

The number of particles (atoms or molecules) in one mole of any pure substance.

Avogadro's constant

15

A base is a substance that can combine with a proton.

Base

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