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IGCSE Glossary

There are 6 entries in this glossary.
Search for glossary terms (regular expression allowed)

Glossaries

Term Main definition
electrolyte
Glossaries - GCSE chemistry
Glossaries Description -

The liquid that conducts a current in an electrolysis circuit because it contains free flowing ions

Author - David Fowkes
Hits - 403
electron
Glossaries - GCSE chemistry
Glossaries Description -

An electron is a sub atomic particle which orbits the nucleus of an atom and carries a negative charge. Often represented by the letter e with a - sign (  e

electron

Author - David Fowkes
Hits - 1140
element
Glossaries - GCSE chemistry
Glossaries Description -

All the atoms in an element have the same atomic number.

The elements are listed in the periodic table in order of increasing atomic number.

icon

Author - David Fowkes
Hits - 1159
empirical formula
Glossaries - GCSE chemistry
Glossaries Description -

The empirical formula of a substance gives the simplest whole number ratio of atoms in that substance.

For example glucose has the molecular formula C6H12O6 but its empirical fomula is CH2O

empirical formula 2

Author - David Fowkes
Hits - 904
Synonyms - simplest formula
Ethanol 
Glossaries - GCSE chemistry
Glossaries Description -

Ethanol is the second member of the homologous series known as the alcohols. It has the formula C2H5OH

It is the "alcohol" in alcoholic drinksEthanol 3D balls

Author - David Fowkes
Hits - 763
Synonyms - Ethyl Alcohol
exothermic
Glossaries - GCSE chemistry
Glossaries Description -

A chemical reaction that releases energy through light or heat.

Author - georgie
Hits - 746