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Chemical species — OCR GCSE Combined Science Definition

Home
Combined Science
Key terms
Chemical species

GCSE Combined Science · key term

Chemical species

Definition

A particular type of atom, ion or molecule involved in a chemical reaction.

Used by OCR

How each exam board covers it

OCR GCSE Combined Science A · J250

Specification C3.3b · Chemistry Paper 1

Revise: Oxidation and Reduction (Electrons)

OCR Combined Science A past papers

OCR GCSE Combined Science B · J260

Chemistry, Combined Science

An atom, ion or molecule involved in a chemical reaction.
Revise: Oxidation and Reduction

OCR Combined Science B past papers

Related key terms

Half-equation
Oxidation
Redox reaction
Reduction
Spectator ion

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