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IGCSE Glossary

There are 41 entries in this glossary.
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Glossaries

Term Main definition
suspension
Glossaries - GCSE chemistry
Glossaries Description -

In chemistry, a suspension is a heterogeneous mixture that contains solid particles sufficiently large for sedimentation. The particles may be visible to the naked eye, usually must be larger than 1 micrometer, and will eventually settle.

Author - georgie
Hits - 1243
solvent
Glossaries - GCSE chemistry
Glossaries Description -

A substance ( usually a liquid like water) which will dissolve another substance

Author - David Fowkes
Hits - 1402
solution
Glossaries - GCSE chemistry
Glossaries Description -

A solution is a liquid mixture in which a solute is distributed within a solvent.

Author - David Fowkes
Hits - 1499
solute
Glossaries - GCSE chemistry
Glossaries Description -

The minor component in a solution, dissolved in the solvent.

Author - georgie
Hits - 1354
soluble
Glossaries - GCSE chemistry
Glossaries Description -

A substance is soluble when is can dissolve in another substance ( the solvent)

Author - georgie
Hits - 1343
Synonyms - dissolvable
soluble
Glossaries - GCSE chemistry
Glossaries Description -

A substance able to be dissolved in a liquid.

Author - georgie
Hits - 1
Synonyms - disintegrable
solubility
Glossaries - GCSE chemistry
Glossaries Description -

Solubility is the measure of how much solute can be added to a solvent until it becomes a saturated solution. The solubility is measured in grams of solute per hundred grams of solvent.

Author - georgie
Hits - 1388
sodium nitrate
Glossaries - GCSE chemistry
Glossaries Description -

sodium nitrate

Author - David Fowkes
Hits - 736
saturated solution
Glossaries - GCSE chemistry
Glossaries Description -

A solution becomes a saturated solution when it has the maximum concentration of a solute dissolved in a solvent. After it is saturated any additional solute will not dissolve into the saturated solution.

Author - georgie
Hits - 2034
Proton Number
Glossaries - GCSE chemistry
Glossaries Description -

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


atomic number

Author - David Fowkes
Hits - 986
potassium sulfate
Glossaries - GCSE chemistry
Glossaries Description -

potassium sulfate

Author - David Fowkes
Hits - 724
Period
Glossaries - GCSE chemistry
Glossaries Description -

The period number in the periodic table shows how many shells are occupied by electrons.

Author - georgie
Hits - 1101
nanoparticle
Glossaries - GCSE chemistry
Glossaries Description -

Nanoparticles are particles between 1 and 100 nanometres (nm) in size 

Author - David Fowkes
Hits - 707
metal
Glossaries - GCSE chemistry
Glossaries Description -

More than 70% of the elements of the periodic table are metals.  All metals conduct an electric current and react by losing electrons. Metals  therefore form positively charged ions when they react.

The structure of metals is often described as a lattice of positively charged ions in a "sea" of delocalised electrons

metallatticesmall

Author - David Fowkes
Hits - 1550
magnesium hydroxide
Glossaries - GCSE chemistry
Glossaries Description -

magnesium hydroxide

Author - David Fowkes
Hits - 694