Is a diamond a single molecule?

In summary, A diamond is a crystalline lattice of carbon atoms with covalent bonds, making it a single molecule. It takes a while for diamond to spontaneously turn back into graphite at STP and its covalent bonds make it stronger than ionic bonds found in substances like salt.
  • #1
tribdog
769
17
Is a diamond a single molecule?
 
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  • #2
It's a crystalline lattice of LOTS of carbon atoms with lots of admixtures, too.
 
  • #3
yes. pure diamond is a single molecule. It is a bunch of carbon molecules which have all covalently boded to each other in a tetrahedral arangement. The covalent bonds are stronger then ionic bonds which is why you can split a chunk of salt really easily, but with a diamond, tough luck. An interesting thing to note is that diamond spontaneously turns back into graphite at STP. But it takes a while.
 
  • #4
mineys said:
But it takes a while.

Just a little while :biggrin:
 
  • #5
mineys said:
yes. pure diamond is a single molecule. It is a bunch of carbon molecules which have all covalently boded to each other in a tetrahedral arangement. The covalent bonds are stronger then ionic bonds which is why you can split a chunk of salt really easily, but with a diamond, tough luck. An interesting thing to note is that diamond spontaneously turns back into graphite at STP. But it takes a while.

You can break a chunk of salt very much easier than a piece of diamond not because the ionic bonds are weaker than covanlent bonds. In diamond, molecules link togherther by covalent bonds. In NaCl , Na+ and Cl- are linked very tightly for ionic strong ionic bond. But linkages between one molecule NaCl and another molecule NaCl are not ionic, they are held by coulomb force which are weaker than Na+ and Cl-.
 

1. What is a diamond?

A diamond is a naturally occurring mineral made of pure carbon atoms arranged in a tightly packed crystal structure. It is the hardest known natural substance and is often used in jewelry and industrial applications.

2. Is a diamond a single molecule?

No, a diamond is not a single molecule. It is made up of billions of carbon atoms bonded together in a repeating pattern. Each carbon atom forms four strong covalent bonds with its neighboring atoms, creating the diamond's characteristic structure.

3. Why is a diamond often referred to as a molecule?

While a diamond is technically not a molecule, it is sometimes described as one due to its uniform chemical composition and strong covalent bonds between atoms. Additionally, the diamond's structure is often compared to a large molecule due to its repeating pattern of bonds.

4. Can a diamond be broken down into smaller molecules?

Technically, yes, a diamond can be broken down into smaller molecules. However, this would require extreme heat and pressure, making it a difficult and impractical process. The strong bonds between carbon atoms make it very difficult to break the diamond's structure.

5. How does the molecular structure of a diamond affect its properties?

The unique molecular structure of a diamond is what gives it its exceptional properties, such as its hardness and durability. The tightly packed arrangement of carbon atoms makes it difficult for other substances to penetrate or damage the diamond, making it an ideal material for use in jewelry and industrial tools.

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