Metals as Conductors (AQA GCSE Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Why are metals excellent conductors of electricity?
Why are metals excellent conductors of electricity?
They have delocalised electrons
What does 'delocalised' mean in the context of electrons in metals?
What does 'delocalised' mean in the context of electrons in metals?
Electrons move freely in the structure
What happens when a metal is connected to a power source?
What happens when a metal is connected to a power source?
Electrons move carrying electric charge
How do metals conduct heat so well?
How do metals conduct heat so well?
Electrons gain energy & transfer it
What is the 'sea of electrons' in metallic bonding?
What is the 'sea of electrons' in metallic bonding?
Delocalised electrons around ions
What holds metal atoms together in metallic bonding?
What holds metal atoms together in metallic bonding?
Attraction between ions & electrons
Why are metals malleable?
Why are metals malleable?
Layers slide without breaking bonds
Why is copper commonly used in electrical wiring?
Why is copper commonly used in electrical wiring?
High conductivity & inexpensive
Why is aluminium used in power lines?
Why is aluminium used in power lines?
Lightweight & good conductor
What advantage do gold and silver have over copper?
What advantage do gold and silver have over copper?
Better conductors & don't corrode