Metals as Conductors (OCR GCSE Chemistry A (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does it mean for electrons to be delocalised in metals?
What does it mean for electrons to be delocalised in metals?
They are not tied to a specific atom
Why are metals good conductors of electricity?
Why are metals good conductors of electricity?
Delocalised electrons can move freely
What is an electric current in a metal?
What is an electric current in a metal?
Flow of delocalised electrons
How do metals conduct heat so well?
How do metals conduct heat so well?
Electrons gain energy and move faster
What do metal atoms release to form metallic bonding?
What do metal atoms release to form metallic bonding?
Some of their electrons
What is the 'sea of electrons' in metallic bonding?
What is the 'sea of electrons' in metallic bonding?
Delocalised electrons around metal ions
What holds a metal structure together?
What holds a metal structure together?
Attraction between ions and electrons
Why are metals malleable?
Why are metals malleable?
Layers slide without breaking bonds
What is ductility in metals?
What is ductility in metals?
Ability to be drawn into wires
Why is copper commonly used in electrical wiring?
Why is copper commonly used in electrical wiring?
High conductivity, relatively cheap
Why is aluminium used in power lines?
Why is aluminium used in power lines?
Lightweight and 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