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: Diamond is made up of pure carbon. In the structure of diamond one carbon atom is attached to four other carbon atoms forming a covalent bond. All the electrons of each carbon atom is shared and the octet rule is satisfied. Hence no free electron is left for the conductance of electricity. : In case of graphite the carbon atoms naturally combine covalently with three other carbon atoms so every combined carbon has one unshared or free electron. Now this free electron is responsible for conductance in graphite. : Graphite and metals have free electrons to conduct electricity.

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14y ago
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Muhammad Sajjad Ali

Lvl 2
2y ago

Graphite can conduct electricity because of the delocalised electrons in its structure. These arise because each carbon atom is only bonded to 3 other carbon atoms. Generally, in diamond, all the 4 outer electrons on each carbon atom are used in covalent bonding, so there are no other delocalised electrons.

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12y ago

This is how I understand it: It has to do with the structure of graphite & diamond. Graphite has a layered structure of carbon atoms, one on top of another (kind of like sheets of paper stacked together). To form this structure the carbon atoms have three of its 4 outer electrons bonded with 3 other carbon atoms. The unbonded 4th electrons move freely between the graphite layers. This is why it is able to conduct electricity. The structure of the diamond has all four of its outer electrons bonded to 4 other carbon atoms, so there are no free electrons & thus it is a non-conductor of electricity. Hope this explanation helps.

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12y ago

In the bonding of graphite, the carbon atoms bond to form layers of hexagonal rings. and in each ring, there is one delocalised electron that allows electricity to be conducted. In diamond, the carbon atoms bond to form a tetrahedral, rigid arrangement. This does not allow electricity to be conducted as the electrons in the bonds are not free to move.

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8y ago

Like a metal, graphite is a very good conductor of electricity due to the mobility of the electrons in its outer valence shells. Other allotropes of carbon (like diamond) do not have the same electron mobility, and are not as conductive.

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12y ago

graphite have a free electron and diamond desnt have free electron

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11y ago

Graphite is a good conductor of electricity beacause graphite is sp-2 hybirdize orbit

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14y ago

Why is graphite is not good in diamonds?

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8y ago

Carbon contains free mobile ions.

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Q: Why does graphite conduct electricity and diamond does not?
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Related questions

Why do carbons not conduct electricity?

Graphite and diamond are good electricity conductors.


Does carbon conduct electricity?

Graphite (an allotrope of carbon) and graphene does conduct electricity whilst other allotropes of carbon such as diamond do not.


Why blue diamond can conduct electricity?

Blue diamonds do not conduct electricity. Diamonds do, however, conduct heat, in fact five times better than silver. Both diamonds and graphite are produced naturally from carbon. Diamond is an excellent electrical insulator, graphite is a good conductor of electricity.


Do diamonds conduct electricity?

they don't conduct electricity: they have no free electrons. graphite, however, made of the same stuff as diamond (carbon) has a different structure, which means that it does have free electrons, and a lot of them. Therefore graphite is a good conductor of electricity.


Which non metal conducts electricity?

Carbon (graphite) will conduct electricitySilicon metallic will conduct electricity


Why graphite is soft and greasy and good conductor of electricity?

Unlike most Giant Covalent Structures like diamond that form four covalent bonds, Graphite only forms 3, meaning it has a free electron meaning that graphite can conduct electricity.


Why does graphite conduct electricity whereas diamond does not and they are both allotropes?

Diamond and Graphite have 2 different structures, Diamond has a rigid tetrahedral network whereas Graphite has layers which completely changes the properties of both types of carbon. Basically graphite has free delocalised electrons which means electricity can be conducted, diamond however does not have any delocalised electrons which means it cannot conduct electricity. Both diamond and graphite are made up of strong covalent bonds which means they both have high melting points. Graphite is soft though because the layers which it is made up of slide, this makes it soft. Diamond is made up of carbon atoms close to each other and in a 3 layered cube shape which is a lot more rigid and this makes it 'the hardest substance on earth'. Hope this helps, Obrien9


What property makes graphite an unusual non metal?

Graphite is an excellent conductor of electricity and heat. Graphite can withstand extremely high temperatures and is not affected by majority of reagents and acids. This property gives graphite uses which are unique and peculiar.


Does Graphite conduct electricity in all directions?

yes


Is the lead of a pencil (graphite) can conduct electricity.?

Yes.


Does magnetite conduct electricity?

Rock is generally an insulator. Note that the color of a rock is usually not a good indicator of is composition of properties.


Why graphite is good conductor of electricity while diamond is not?

Graphite is a good conductor of electricity beacause graphite is sp-2 hybirdize orbit