What Would Happen to the Universe if Electron Mass Matched Proton Mass?

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SUMMARY

If the mass of the electron matched that of the proton, the fundamental structure of atoms, particularly hydrogen, would undergo significant changes. The electron's orbit would be altered, resulting in a denser atomic structure and potentially affecting chemical bonding and material properties. This shift would lead to a universe where traditional electronics and material density are drastically different, impacting everything from the formation of elements to the behavior of matter at a fundamental level.

PREREQUISITES
  • Understanding of atomic structure and quantum mechanics
  • Familiarity with the principles of electromagnetism
  • Knowledge of particle physics, specifically electron and proton properties
  • Basic grasp of chemical bonding and material science
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Students of physics, particularly those studying modern physics, particle physics enthusiasts, and anyone interested in the fundamental properties of matter and their implications for the universe.

Gammage
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Studying for a Modern Physics final and a discussion question from an old test is bugging me. How would the universe be different if the mass of the electron was the same as the mass of the proton? First thing that comes to my mind is density of materials and electronics, but I don't think I have a good grasp on the consequences of this hypothetical. Any help would be appreciated.

Thanks
 
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One thing that pops into my mind is the structure of the Hydrogen atom. How would the orbit of the electron (or electron cloud) be affected? Would there be any affect on the size of the Hydrogen atom?

Try to use as many of the concepts that you have covered in that course as possible.
 

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