Key term for Edexcel GCSE Chemistry, used in Group 0.
The average mass of an atom of an element compared to 1/12th of the mass of an atom of carbon-12.
Relative atomic mass (Aᵣ) appears in Edexcel GCSE Chemistry revision content for Groups in the Periodic Table, especially Group 0 and Pattern in Physical Properties.
Groups in the Periodic Table
Group 0 • Pattern in Physical Properties
Groups in the Periodic Table
Group 0 • Uses of Noble Gases
Key Concepts in Chemistry
Suggested Practicals • Empirical Formula Determination
Key Concepts in Chemistry
Calculations Involving Masses • Mole Definition
Key Concepts in Chemistry
Calculations Involving Masses • Deduction of Formulae
Key Concepts in Chemistry
Calculations Involving Masses • Empirical Formulae Calculation
Key Concepts in Chemistry
Calculations Involving Masses • Mathematical Applications
Key Concepts in Chemistry
The Periodic Table • Atomic Mass Ordering and Isotopes
Key Concepts in Chemistry
The Periodic Table • Mendeleev's Predictions
Key Concepts in Chemistry
The Periodic Table • Mendeleev's Arrangement
Key Concepts in Chemistry
Atomic Structure • Mass Number
Key Concepts in Chemistry
Atomic Structure • Mass of an Atom
Key Concepts in Chemistry
Atomic Structure • Calculating Relative Atomic Mass
Key Concepts in Chemistry
Atomic Structure • Relative Atomic Masses
Key Concepts in Chemistry
Atomic Structure • Calculating Subatomic Particles
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