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Micrometre — OCR GCSE Chemistry A Definition | GradeGen

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Chemistry
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Micrometre

GCSE Chemistry · key term

Micrometre

Definition

One millionth of a metre: $1\text{ μm}=10^{-6}\text{ m}$ .

Used by OCR

How each exam board covers it

OCR GCSE Chemistry A · J248

Specification CM2.3ii · Paper 1 (Foundation), Paper 3 (Higher)

Each step from millimetres to micrometres, or from micrometres to nanometres, represents a decrease by a factor of 1,000.
Revise: Atomic Scale Relations

OCR Chemistry A past papers

Related key terms

Atom
Magnification
Nanometre
Order of magnitude
Scale

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