AQA GCSE Chemistry key terms

A decision influenced by the importance people give to different effects, rather than determined by measurement alone.

A measure of how much a fluid resists flowing; a more viscous liquid flows less easily.

Water containing unwanted substances as a result of domestic, agricultural or industrial use.

The distance between corresponding points on successive waves, such as from one wave crest to the next.

An acid that is only partially ionised in aqueous solution.

An average in which values present in greater proportions contribute more strongly to the result.

The amount of product obtained from a chemical reaction.