: 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.
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.
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.
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.
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.
graphite have a free electron and diamond desnt have free electron
Graphite is a good conductor of electricity beacause graphite is sp-2 hybirdize orbit
Why is graphite is not good in diamonds?
Carbon contains free mobile ions.
Graphite (an allotrope of carbon) and graphene does conduct electricity whilst other allotropes of carbon such as diamond do not.
Rock is generally an insulator. Note that the color of a rock is usually not a good indicator of is composition of properties.
It depends on the type, or allotrope, of carbon you're talking about. For a material to conduct electricity, it should have free electrons to carry the electrical current. In diamond, an allotrope of carbon, there are no such free electrons. This means that diamond does not conduct electricity. However, graphite, another allotrope of carbon, conducts electricity very well because it has an entire "sea" of free electrons.
Because graphite has one free electron that is not involved in bonding. The one delocalized electron can be used to conduct electricity. However silicon carbide is tetrahedrally bonded to 4 carbon atoms. There is not free electrons in the arrangement. With no delocalized electron, silicon carbide is unable to conduct electricity.
Some interesting facts about graphite are that it shares the same chemical composition as a diamond, but not atomic structure. Also graphite is brittle, smudges if handled, and can be used as a conductor for electricity.
Graphite and diamond are good electricity conductors.
Graphite (an allotrope of carbon) and graphene does conduct electricity whilst other allotropes of carbon such as diamond do not.
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.
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.
Carbon (graphite) will conduct electricitySilicon metallic will conduct 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.
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
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.
yes
Yes.
Rock is generally an insulator. Note that the color of a rock is usually not a good indicator of is composition of properties.
Graphite is a good conductor of electricity beacause graphite is sp-2 hybirdize orbit