IGCSE Glossary
There are 10 entries in this glossary.Glossaries
Term | Main definition |
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electrolyte |
Glossaries - GCSE chemistry
Glossaries Description -
The liquid that conducts a current in an electrolysis circuit because it contains free flowing ions
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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- )
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electronegativity |
Glossaries - GCSE chemistry
Glossaries Description -
Electronegativity is the tendency of an atom to attract electrons in a molecule.
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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.
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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
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simplest formula |
entry |
Glossaries - GCSE chemistry
Glossaries Description -
a way in
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Enzyme |
Glossaries - GCSE chemistry
Glossaries Description -
An enzyme is a type of protein that speeds up the rate of chemical reactions.
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Enzyme |
Glossaries - GCSE chemistry
Glossaries Description -
An enzyme is a type of protein that speeds up the rate of chemical reactions. |
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 drinks
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Ethyl Alcohol |
exothermic |
Glossaries - GCSE chemistry
Glossaries Description -
A chemical reaction that releases energy through light or heat.
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