Giant metallic structures and alloys (AQA GCSE Chemistry): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What are delocalised electrons in metals?
What are delocalised electrons in metals?
Electrons free to move through structure
What holds metal ions together in a metallic structure?
What holds metal ions together in a metallic structure?
A sea of delocalised electrons
Why do most metals have very high melting points?
Why do most metals have very high melting points?
Strong metallic bonds need lots of energy
Why do metals conduct electricity?
Why do metals conduct electricity?
Delocalised electrons are free to move
How do metals conduct heat energy?
How do metals conduct heat energy?
Delocalised electrons move faster
How are atoms arranged in pure metals?
How are atoms arranged in pure metals?
Neat, regular layers
Why can pure metals be bent and shaped easily?
Why can pure metals be bent and shaped easily?
Layers of atoms slide over each other
What is an alloy?
What is an alloy?
A mixture of two or more metals
What metals are mixed to make brass?
What metals are mixed to make brass?
Copper and zinc
Why are alloys harder than pure metals?
Why are alloys harder than pure metals?
Different-sized atoms disrupt layers
Which metal is liquid at room temperature?
Which metal is liquid at room temperature?
Mercury
What causes the hardness of alloys?
What causes the hardness of alloys?
Disruption of regular atomic structure