Highest Common Factor (HCF)

Key term for OCR GCSE Chemistry B, used in Crude oil and hydrocarbons.

Definition

The largest positive whole number that divides evenly into all numbers in a given set.

Exam Context

Highest Common Factor (HCF) appears in OCR GCSE Chemistry B revision content for Chemicals of the natural environment, especially Crude oil and hydrocarbons and Empirical formula.

Chemicals of the natural environment Crude oil and hydrocarbons Empirical formula

Found in Revision Notes

Chemicals of the natural environment

Empirical formula

Crude oil and hydrocarbons • Empirical formula

Revise note

Related Key Terms

Empirical formula Giant covalent structures Ionic compounds Molecular formula

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Relative abundance

Relative atomic mass (Aᵣ)

Relative numbers of atoms