Appendix 4 - Glossary of chemical terms

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z


A

Absorption
Acid anhydride
Acid ionisation constant, Ka
Acid salt
Activated complex - see transition state.
Activity
Activity series - see reactivity series
Adsorption
Allotrope
Amount
Amount of substance
Ampholyte - see amphoteric (2)
Amphoteric
Anode
Atomic mass unit (symbol u)
Atomic weight
Atomisation
Avogradro's constant (L)

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B

Bar
Basic salt
Battery
Bi-
Bond dissociation energy - see bond dissociation enthalpy
Bond dissociation enthalpy
Bond energy - see bond enthalpy
Bond enthalpy
Bond strength
Buffer

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C

Calorie
Carbocation
Carbonium ion - an alternative name for a carbocation
Cathode
Cell
Celsius
Centigrade - a commonly used alternative to Celsius
Charge centre
Comproportionation
Concentration
Condensation
Condensed formula
Conductivity
Conical flask - also called an Erlenmeyer flask. The term conical flask is recommended.
Contact process
Coordination number
Coordinate bond

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D

Dative covalent bond
d- Block element
Dehydration
Deliquescence
Delocalisation
Diacidic
Diaphragm cell - see membrane cell
Dibasic
Dipole-dipole forces
Diprotic - see dibasic
Discharge
Dispersion forces
Disproportionation
Dissociation
Dissociation constant - see acid ionisation constant
Double decomposition - see double displacement
Double displacement

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E

Efflorescent
Electrochemical cell
Electrochemical series
Electron affinity
Electron dot formula - see Lewis structure
Electronegativity
Element
Empirical formula - also called simplest formula
End point - see equivalence point
Enthalpy change of atomisation
Equilibrium
Equilibrium expression - see equilibrium law
Equilibrium law
Equivalence point
Erienmeyer flask - see conical flask
Ester
Ether
Effervescence

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F

Fission
Fusion

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G

Galvanic cell
Giant molecular solids - see network covalent solids
Gibbs Free energy

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H

Heats of reaction - see enthalpy changes
Hess' law
Hydrolysis
Hydronium ion
Hydroxonium ion - see hydronium ion
Hydroxyl

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I

Ionic precipitation
Ionisation
Ionisation constant - see acid ionisation constant

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J

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K

Kelvin Scale
Kinetics
Kinetic theory

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L

Lattice enthalpy
Law of conservation of energy - see Hess' law
Lewis structure
Litre (symbols L, dm3 )
London forces - see dispersion forces

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M

Macromolecular solids - see network covalent solids for recommended term.
Mass of one mole - see molar mass
Membrane cell
Molar
Molar mass, M
Molar volume, Vn
Molarity

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N

Network covalent solids
Normal temperature

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O

Oxonium ion - see hydronium ion

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P

Periodic Table
Periodic Classification - see Periodic Table

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Q

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R

R  - Alkyl Group
Rate constant
Rate equation - see rate expression
Rate expression
Rate law - see rate expression
Reactivity series
Resonance hybrids
Room temperature and pressure - see standard ambient temperature and pressure

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S

Saturated
Simplest formula
Standard ambient temperature and pressure
Standard electrode potentials
Standard pressure
Standard redox potential - see standard electrode potential
Standard reduction potential - see standard electrode potential
Standard temperature and pressure

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T

Transition metal
Transition state

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U

Universal gas law
Unsaturated

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V

dispersion forces
Velocity constant - see rate constant
VSEPR theory

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W

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X

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Y

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Z

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