Properties of Metals & Alloys (AQA GCSE Chemistry Combined Science): Flashcards
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Metals' melting points
Metals' melting points
High - don't melt easily, good for high-temp uses
What metals conduct
What metals conduct
Heat and electricity
Metals' density
Metals' 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's state at room temperature
Mercury's state at room temperature
Liquid
Non-metal that conducts electricity
Non-metal that conducts electricity
Graphite
Why graphite conducts electricity
Why graphite conducts electricity
Has free-moving electrons
Alloy definition
Alloy definition
Mixture of 2+ elements, at least one is a metal
Atom arrangement in pure metals
Atom arrangement in pure metals
Neat rows forming a regular lattice
Why pure metals are softer
Why pure metals are softer
Layers slide over each other easily
Why alloys are stronger than pure metals
Why alloys are stronger than pure metals
Different sized atoms disrupt arrangement, layers can't slide
Steel composition
Steel composition
Iron and carbon
Why steel is stronger than pure iron
Why steel is stronger than pure iron
Carbon atoms disrupt iron's regular arrangement