Graphite Bonds Broken When Pencil Breaks

  • Thread starter CRaNiUM
  • Start date
  • Tags
    Break
In summary, a pencil breaks when the bonds holding the graphite atoms together become too weak to withstand the applied force. Graphite is used in pencils because it easily leaves marks on paper and has a low melting point. The bonds break due to pressure, quality, and structural defects, and they cannot be repaired. However, broken graphite bonds are not harmful to health as graphite is a non-toxic form of carbon.
  • #1
CRaNiUM
1
0
So the lead of the pencil is made out of graphite, when i break the graphite what sort of bonds are broken? intramolecular or intermolecular bonds?


thanks in advance.
 
Physics news on Phys.org
  • #2
Graphite consists of planar sheets of graphene stacked onto each other. When you break a pencil, you are breaking these intramolecular bonds.
 
  • #3


I can provide an answer to your question. The bonds that are broken when a pencil breaks are intermolecular bonds. These are the weaker bonds between molecules that hold them together. In the case of graphite, the intermolecular bonds are van der Waals forces, which are relatively weak compared to the stronger intramolecular bonds within the graphite molecules. When the pencil breaks, these intermolecular bonds are unable to hold the graphite molecules together, causing the pencil lead to break. I hope this helps to clarify the type of bonds that are broken when a pencil breaks.
 

FAQ: Graphite Bonds Broken When Pencil Breaks

How does a pencil break?

A pencil breaks when the graphite bonds holding the carbon atoms together become too weak to withstand the force applied to the pencil.

Why is graphite used in pencils?

Graphite is used in pencils because it is a form of carbon that can easily leave marks on paper when rubbed against it. It also has a relatively low melting point, making it easy to shape into a pencil lead.

What causes the graphite bonds to break?

The graphite bonds break due to a combination of factors, such as pressure applied to the pencil, the quality of the graphite and the structural defects in the material. These factors weaken the bonds and eventually cause them to break.

Can broken graphite bonds be repaired?

No, once the graphite bonds have been broken, they cannot be repaired. The pencil may still be usable if the break is small, but the graphite bonds will not reform.

Are broken graphite bonds harmful to health?

No, broken graphite bonds are not harmful to health. Graphite is a non-toxic form of carbon and the broken bonds pose no risk to human health.

Similar threads

Replies
5
Views
2K
Replies
4
Views
2K
Replies
2
Views
7K
Replies
4
Views
5K
Replies
7
Views
14K
Replies
5
Views
3K
Replies
7
Views
4K
Back
Top