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Question
Which of the following non-metal is brittle?
Which of the following non-metal is brittle?
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Solution
The correct option is A Graphite
Graphite is made up of 3 carbon atoms and is a non-metal. In graphite, 3 valence electrons of a carbon atom form covalent bonds (sigma bonds) with adjacent carbon atoms. These layers are held together, however by weak Van der Waals forces. It is the fact that the layers are held together by weak Van der Waals forces that make graphite soft.
Graphite is made up of 3 carbon atoms and is a non-metal. In graphite, 3 valence electrons of a carbon atom form covalent bonds (sigma bonds) with adjacent carbon atoms. These layers are held together, however by weak Van der Waals forces. It is the fact that the layers are held together by weak Van der Waals forces that make graphite soft.
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