How come there are no neutron atoms?

In summary, the conversation discusses the factors that prevent a giant lump of neutrons from forming a stable nucleus. The main reason is the strong nuclear force, which prohibits neutrons from occupying the same energy level and thus making a nucleus of just neutrons unstable. However, neutron stars are an exception as they require immense gravity to hold them together. There has also been speculation about an element 0, made up of only neutrons. The discussion also touches on the decay of standalone neutrons and the concept of an uncharged nucleus. The importance of studying these issues and the relevance of the quark-model for classification are also mentioned, along with recommended sources for further reading.
  • #1
TheNerf
3
0
Straight forward question. What would prevent the process of a giant lump of neutrons from forming a stable nucleus?
 
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  • #2
The strong nuclear force
Because neutrons have the same spin they cannot occupy the same energy level, so a nucleus of just neutrons can't get into the lowest energy state and so isn't stable,

Neutron stars could be thought of as a single nucleus of just neutrons - but they need gravity (and a lot of it) to hold them together
 
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  • #3
There has been some talk about an element 0 - a nucleus with only neutrons. Wiki has some things to say on this neutronium element.
 
  • #4
Stand alone neutrons decay into proton + electron + neutrino.
 
  • #5
O.K,what sort of "atom" should we get from an uncharged nucleus?.What sort of chemistry would you expect?.Study the issue.Read Pais,"Inward Bound" and study the references at the chapter ends.Imagine a world with electromagnetism "switched-off",and then compare the proton/neutron.Are they different in such a world?,...,why is the quark-model such a good classification scheme?.Read Riordan "The Hunting Of The Quark".Study,...
 

1. Why are there no neutron atoms?

Neutron atoms do not exist because neutrons are subatomic particles that have a neutral charge, meaning they do not have any positive or negative charge. Atoms are made up of protons, which have a positive charge, and electrons, which have a negative charge. Without a positive charge, neutrons cannot form an atom.

2. Can neutrons be found in isolation?

Yes, neutrons can exist in isolation in certain conditions. In nature, neutrons are typically found inside the nucleus of an atom along with protons. However, scientists can also isolate neutrons in laboratories using specialized equipment.

3. Are there any elements that contain only neutrons?

No, there are no elements that contain only neutrons. As mentioned before, neutrons cannot form an atom on their own. However, there are isotopes of certain elements that have a higher number of neutrons in their nucleus compared to their protons. These isotopes are unstable and undergo radioactive decay.

4. How do neutrons contribute to the stability of an atom?

Neutrons play a crucial role in the stability of an atom. They help to bind the positively charged protons together in the nucleus, preventing them from repelling each other due to their like charges. This strong nuclear force, created by the presence of neutrons, is what keeps atoms from breaking apart.

5. Can neutrons be created or destroyed?

Neutrons can be created and destroyed through various nuclear processes, such as nuclear fission and fusion. In these processes, atoms are split or combined, resulting in the formation or destruction of neutrons. However, in most cases, the total number of neutrons in the universe remains constant, as they can transform into other particles and vice versa.

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