Properties of Metals & Alloys (AQA GCSE Chemistry): Flashcards
📚Flashcards
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14 cards from this deck
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Practise the cards
14 cards from this deck
Metal melting points
Metal melting points
High - don't melt easily
Metals & heat/electricity conduction
Metals & heat/electricity conduction
Metals conduct both heat & electricity well
Metal density
Metal density
High - heavy for their size
Malleable meaning
Malleable meaning
Can be bent/hammered into shapes without breaking
Brittle meaning
Brittle meaning
Breaks easily when bent
Mercury at room temperature
Mercury at room temperature
Liquid - exception to typical metal properties
Graphite & electricity conduction
Graphite & electricity conduction
Conducts electricity despite being a non-metal
Why graphite conducts electricity
Why graphite conducts electricity
Has free-moving electrons
Alloys definition
Alloys definition
Mixtures of 2+ elements, at least one is a metal
Structure of pure metals
Structure of pure metals
Atoms in neat rows forming regular lattice
Why pure metals are softer
Why pure metals are softer
Layers slide over each other easily
Why alloys are stronger
Why alloys are stronger
Different sized atoms disrupt arrangement, prevent sliding
Steel composition
Steel composition
Alloy of iron & carbon
Steel vs pure iron strength
Steel vs pure iron strength
Steel is stronger than pure iron