Giant Covalent Structures (AQA GCSE Chemistry Combined Science): Quizzes
📚Quizzes
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
Why do giant covalent structures have very high melting points?
Why do giant covalent structures have very high melting points?
Strong covalent bonds need lots of energy
Can most giant covalent structures conduct electricity?
Can most giant covalent structures conduct electricity?
No, they lack free-moving charged particles
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 hexagonal layers
Why is graphite soft and slippery?
Why is graphite soft and slippery?
Layers slide easily due to weak forces
How many bonds does each carbon atom form in graphite?
How many bonds does each carbon atom form in graphite?
Three
Why can graphite conduct electricity?
Why can graphite conduct electricity?
Free electrons can move through layers
What is left free when each carbon in graphite forms three bonds?
What is left free when each carbon in graphite forms three bonds?
One electron