Why is graphite a good conductor of electricity

Use app Login. Why is graphite a good conductor of electricity and a good lubricant? Explain with the help of diagram.

Graphite is a good conductor of both electricity and heat. This is due to its molecular structure, which allows electrons to move freely through it. Rather than loosen one sheet of molecules from another, you have to break the covalent bonding the particular way in which atoms are bonded together throughout the whole structure in order to melt the material. Substances like graphite which have these giant structures have very high melting points. Graphite is a refractory mineral, which means it is stable over a wide range of temperatures and able to retain its strength and form at very high temperatures. Thermal shock is when a sudden change in temperature—hot to cold, cold to hot—puts tension on a material, causing it to break.

Why is graphite a good conductor of electricity

Graphite is a great conductor, it is used in electrical cells. It is also found in motor oil and pencils. Because graphite is soft, it is combined with clay, and baked, and hardened before being inserted into wood for pencils. Graphite is made up of bonded carbon atoms. One carbon atom is strongly bonded to three other carbon atoms, resulting in carbon sheets. Each carbon atom is then bound weakly to two other carbon atoms, one to the sheet above it and another to the sheet below it. The strong bonds give graphite high boiling and melting points, while the weak bonds make graphite soft and flexible. Graphite is closely related to diamonds. Both have crystalline forms. However, diamonds are one of the hardest materials known to man, while graphite is not.

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Graphite is a good conductor of heat and electricity because it contains. Therefore, graphite is a good conductor of heat and electricity because it contains free electrons which can conduct heat and electricity. Byju's Answer. Open in App. Conduction of heat and electricity: Graphite is the crystalline allotropes of carbon and it has a layered structure. Conduction of heat and electricity in a substance occurs due to the presence of free electrons in that material.

Graphite is an allotropic form of carbon consisting of sacks of carbon layers. Let us know about conducting nature of graphite. Graphite is a good conductor of electricity even though bulk carbon does not contribute to the conduction. At the nanoscale, the orientation of carbon atoms in the graphite lattice faces different directions, so electrical conduction is possible in graphite. Graphite is a crystalline solid with a well-defined unit cell, which is a major contribution to electrical conduction. Let us concentrate on the facts involved in electrical conduction in graphite. Graphite is widely used as a dry lubricant.

Why is graphite a good conductor of electricity

It consists of stacked layers of graphene. Graphite occurs naturally and is the most stable form of carbon under standard conditions. Synthetic and natural graphite are consumed on a large scale 1. Under high pressures and temperatures it converts to diamond. It is a good but not excellent conductor of both heat [6] and electricity.

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Graphite structure is formed by the hexagonal arrays being placed in layers one above the other. However, their structures are significantly different. Graphite made for manufacturing and engineering will have been processed in a way that balances properties such as:. Synthetic graphite can be produced with varying degrees of porosity—in other words, making the graphite porous so liquid, air or gas can pass through its layers. However, diamonds are one of the hardest materials known to man, while graphite is not. It is also found in motor oil and pencils. Graphite reduces friction and noise from machinery and keeps equipment running without issue for longer periods of time. View More. Thermal shock is when a sudden change in temperature—hot to cold, cold to hot—puts tension on a material, causing it to break. Therefore, out of the four valence electrons in a carbon atom, only three are used for bonding and the fourth is relatively free and can move from one carbon atom to the other. Between the layers of atoms the bonds are weak, but the layers themselves are strong. Byju's Answer.

Answer: the very reason why metals do.

View More. We still don't recommend proposing with a graphite ring, though. Explain with the help of diagram. Its structure is the main reason for this property. Graphite is a good conductor of heat and electricity because it contains. Standard XI Chemistry. Similar Questions. Because these layers are weakly bonded together, they slide over each other easily. Although graphite is naturally very brittle—which prevents it from being used as a structural material on its own—it can be made more resistant to thermal shock through careful choice of raw materials and specific processing methods. Graphite reduces friction and noise from machinery and keeps equipment running without issue for longer periods of time. Remember how graphite carbon atoms have a free electron? GB Co Reg.