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GCSE Chemistry · key term
The ability of a material to absorb energy or withstand an impact without fracturing.
Used by Edexcel
Specification 9.38C, 9.39C · Paper 2
Revise: Comparing MaterialsRelevant properties include density, strength, hardness, toughness, stiffness, flexibility, electrical conductivity, thermal conductivity, transparency and resistance to high temperatures.
The ability to absorb energy and resist cracking or breaking.
Name the property being compared; do not use “stronger” when the data actually show greater hardness, toughness or compressive strength.
Do not treat hardness, strength and toughness as synonyms: hardness concerns scratching or indentation, strength concerns the force or stress before failure, and toughness concerns resistance to breaking when energy is absorbed.
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