Giant Covalent Structures (OCR GCSE Chemistry A (Gateway Science Suite)): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 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 cannot conduct
Which giant covalent structure can conduct electricity?
Which giant covalent structure can conduct electricity?
Graphite
How are carbon atoms arranged in graphite?
How are carbon atoms arranged in graphite?
In layers arranged in hexagons
Why is graphite soft and slippery?
Why is graphite soft and slippery?
Layers slide due to weak forces between
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 conduct electricity?
Why can graphite conduct electricity?
Free electrons can move through layers
