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EUR 9.-Are there true "atoms", i.e. particles that cannot be split into smaller particles? - Simple answer looked for

 

Following the actual meaning of the term "atom" ( "an indivisible thing, you cannot split up into smaller particles") I am wondering if there is a minimum of size/physical extent a certain thing must have.

Assume you postulate that there is such a smallest unit of material below which nothing can go:

I am looking for a very simple to understand and short explanation of why you think that there are indivisible things (i.e. atoms).

Please refrain from too much mathematics and please try to keep your rationale as short as possible, ideally, not exceeding a few sentences. Thank you very much!

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  • Written by Henry Verified User on Friday, Apr 9, 2010 at 8:10:26 AM
    The short answer appears to be "probably not." Even if quarks cannot exist in a "free" state, they could still be discovered to be "built" from smaller parts still, and so on, ad infinitum. The same is probably the case going in the macro direction. As Freeman said about our Universe, it may be "Infinite in all directions."
    Henry
     
  • Written by Jelena Verified User on Wednesday, Apr 7, 2010 at 11:17:10 PM
    completly agree
    Jelena
     
  • Written by Alex Verified User on Wednesday, Apr 7, 2010 at 9:47:12 PM
    Once we break things down to the energy level they are built from we do not have the concept of what is smaller, or what the different energies may be made from. So we inevitably come to a halt... (at the least as far as this question is concerned)
    Alex
     
  • Written by Alex Verified User on Wednesday, Apr 7, 2010 at 9:45:10 PM
    That is my point! there there are no smaller particles that they can be broken down to, so there is no going beyond quarks leptons etc.
    Alex
     
  • Written by Jelena Verified User on Wednesday, Apr 7, 2010 at 8:33:02 PM
    but quarks and other you talking about are NOT atom,these r particles.That is the difference,a BIG one.
    Jelena
     
  • Written by Alex Verified User on Wednesday, Apr 7, 2010 at 7:59:29 PM
    Yes, quarks, leptons, etc. since they are made of energy. and no longer matter.
    Alex
     
  • Written by Jelena Verified User on Tuesday, Mar 30, 2010 at 2:16:07 PM
    when you said atom, I assumed you mean atom ( nuclei + electrons) in the simlest atom H nuclei + one electron. So if this is a case,every atom can split.
    Jelena
     
  • Written by Captain Verified User on Saturday, Mar 20, 2010 at 4:21:02 PM
    Dear solvers
    Thanks for your inputs. Please be aware that I am familiar with Quarks and smaller elements than atoms. However, is there a smallest theoretical size below which we are not allowed to go?
    Captain
     

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