Picometre (pm)

Key term for Edexcel GCSE Chemistry, used in Covalent Bonding.

Definition

A unit of length equal to one-trillionth of a metre ( $1 \times 10^{-12}$ m).

Exam Context

Picometre (pm) appears in Edexcel GCSE Chemistry revision content for Key Concepts in Chemistry, especially Covalent Bonding and Mathematical Applications.

Key Concepts in Chemistry Covalent Bonding Mathematical Applications

Found in Revision Notes

Key Concepts in Chemistry

Mathematical Applications

Covalent Bonding • Mathematical Applications

Revise note

Related Key Terms

2D Displayed Formula 2D molecule 3D Ball-and-Stick Model Accuracy

Revise Chemistry with GradeGen.AI

Create a free account to access Edexcel GCSE Chemistry revision notes, track progress, and practise related key terms.

Activation energy

Activation energy (Ea)

Activation energy (Eₐ)

Allotrope