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IGCSE Glossary

There are 40 entries in this glossary.
Search for glossary terms (regular expression allowed)

Glossaries

Term Main definition
activation energy
Glossaries - GCSE chemistry
Glossaries Description -

The least possible amount of energy required to start a reaction.

Author - georgie
Hits - 202
aluminium carbonate
Glossaries - GCSE chemistry
Glossaries Description -

aluminium carbonate

Author - David Fowkes
Hits - 121
ammonium sulfate
Glossaries - GCSE chemistry
Glossaries Description -

ammonium sulfate

Author - David Fowkes
Hits - 121
anode
Glossaries - GCSE chemistry
Glossaries Description -

the positive electrode in an electrolysis circuit

Author - David Fowkes
Hits - 239
atom
Glossaries - GCSE chemistry
Glossaries Description -

atom2

 

The smallest particle of an element which still retains all the properties of the element

 

Author - David Fowkes
Hits - 940
Atomic number
Glossaries - GCSE chemistry
Glossaries Description -

The number of protons in the nucleus of an atom. Also known as the proton number

atomic number

Author - David Fowkes
Hits - 849
Synonyms - Proton number
Calorimeter
Glossaries - GCSE chemistry
Glossaries Description -

A vessel or piece of apparatus that is used to determine energy changes involved in a chemical reaction. At it's simplest it could be a tin can. More sophisticated versions will be insulated to prevent heat loss.

Author - georgie
Hits - 65
catalyst
Glossaries - GCSE chemistry
Glossaries Description -

A substance that can be added to a reaction to increase the rate of reaction without being used up.

Author - georgie
Hits - 238
cathode
Glossaries - GCSE chemistry
Glossaries Description -

the negative electrode in an electrolysis circuit

Author - David Fowkes
Hits - 236
Chloroethene dot and cross
Glossaries - GCSE chemistry
Glossaries Description -

chloroethene dot and cross 2

 

 

Author - David Fowkes
Hits - 130
Chloroethene image
Glossaries - GCSE chemistry
Glossaries Description -

Chloroethene is also known as Vinyl Chloride. 

chloroethene pic

Vinyl chloride is used to make the polymer poly vinyl chloride ( PVC)

Author - David Fowkes
Hits - 153
concentration
Glossaries - GCSE chemistry
Glossaries Description -

The concentration of a solution can be measured in a number of ways:

when considering solublity we will use the maesure of grams of solute per 100g of water.

Author - David Fowkes
Hits - 732
Synonyms - strength of solution
copper (I) oxide
Glossaries - GCSE chemistry
Glossaries Description -

copper I oxide

Author - David Fowkes
Hits - 129
Synonyms - copper I oxide
copper (II) chloride
Glossaries - GCSE chemistry
Glossaries Description -

copper II chloride

Author - David Fowkes
Hits - 131
dissolve
Glossaries - GCSE chemistry
Glossaries Description -

What happens to a solute when it is added to a solvent in which it is soluble

Author - David Fowkes
Hits - 807
Synonyms - go into solution, become a solution, break down