Graphite can conduct electricity because of the delocalised (free) electrons in its structure. These arise because each carbon atom is only bonded to 3 other carbon atoms. … However, in diamond, all 4 outer electrons on each carbon atom are used in covalent bonding, so there are no delocalised electrons.
Why does diamond Cannot conduct electricity?
It does not conduct electricity. Every atom in a diamond is bonded to its neighbours by four strong covalent bonds, leaving no free electrons and no ions .
Can graphite conduct electricity Why or why not?
Graphite has delocalised electrons, just like metals. These electrons are free to move between the layers in graphite, so graphite can conduct electricity. … The forces between the layers in graphite are weak.
Why is graphite a good conductor of electricity Class 8?
In a graphite molecule, one valence electron of each carbon atom remains free. Due to the free electrons in its framework, graphite can perform electricity. Therefore, graphite is said to be a good conductor of electricity.
Does diamond conduct electricity molten?
Diamond. Diamond is a form of carbon in which each carbon atom is joined to four other carbon atoms, forming a giant covalent structure. As a result, diamond is very hard and has a high melting point. … It does not conduct electricity as there are no delocalised electrons in the structure.
Why is graphite The only non metal that conducts electricity?
In graphite each carbon is bonded to three other carbon atoms hence leaving behind a free electron. Due to the presence of this one delocalised electron, graphite is a good conductor of electricity. However, graphite is the only non-metal that can conduct electricity.
Why is graphite so electrically conductive?
The reason for the good electrical conductivity is due to the structure of graphite. In fact, each carbon atom is bonded into its layer with three strong covalent bonds; this leaves each atom with a spare electron, which together form a delocalized sea of electrons loosely bonding the layers together.
Is diamond a conductor?
Normally an insulator, diamond becomes a metallic conductor when subjected to large strain in a new theoretical model. … Long known as the hardest of all natural materials, diamonds are also exceptional thermal conductors and electrical insulators.
How is graphite different from a diamond?
Graphite and diamond are two of the most interesting minerals. They are identical chemically – both are composed of carbon (C), but physically, they are very different. … Graphite is very soft and has a hardness of 1 to 2 on this scale. Diamonds are the hardest known natural substance and have a hardness of 10.
Why graphite is good conductor of electricity although it is a network covalent solid?
Graphite is a covalent solid that act as a good conductor of electricity and is soft. … The fourth valence electron of each atom is present between different layers and is free to move which makes graphite a good conductor of electricity.