Giant Covalent Structures (AQA GCSE Chemistry): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What are giant covalent structures?
What are giant covalent structures?
Huge networks of atoms with covalent bonds
Which of these is an example of a giant covalent structure?
Which of these is an example of a giant covalent structure?
Diamond
What is true about the melting points of giant covalent structures?
What is true about the melting points of giant covalent structures?
They are very high
Why do giant covalent structures have high melting points?
Why do giant covalent structures have high melting points?
Strong covalent bonds need lots of energy
Do most giant covalent structures conduct electricity?
Do most giant covalent structures conduct electricity?
No, they do not
Which giant covalent structure can conduct electricity?
Which giant covalent structure can conduct electricity?
Graphite
How are carbon atoms arranged in graphite layers?
How are carbon atoms arranged in graphite layers?
In hexagons
What type of forces hold graphite layers together?
What type of forces hold graphite layers together?
Weak forces
What physical property does graphite have due to its sliding layers?
What physical property does graphite have due to its sliding layers?
Soft and slippery
How many bonds does each carbon atom form in graphite?
How many bonds does each carbon atom form in graphite?
Three bonds
Why can graphite layers slide over each other easily?
Why can graphite layers slide over each other easily?
They are held by weak forces
Why can graphite conduct electricity?
Why can graphite conduct electricity?
Free electrons can move through layers