When all the positive charge in an atom is concentrated in the nucleus, then why does the nucleus does not undergoes like charge repulsion?(leaving radioactive elements)

Expert Answers

An illustration of the letter 'A' in a speech bubbles
There is a nuclear force that is attractive that holds the protons and neutrons together in the nuclei. This force is only effective at very small distances. Beyond that short range repulsive forces become prominent. The repulsive forces between the positive charges are still there but they are overwhelmed by the strength of the nuclear force. As nuclei get larger (ie more protons and neutrons in the nucleus), the distance between protons becomes larger and the nuclear force is weaker because of the distance. When the attractive nuclear force gets weaker, the repulsive forces become more significant which leads to nuclear decay into smaller, more stable nuclei.
Approved by eNotes Editorial Team

We’ll help your grades soar

Start your 48-hour free trial and unlock all the summaries, Q&A, and analyses you need to get better grades now.

  • 30,000+ book summaries
  • 20% study tools discount
  • Ad-free content
  • PDF downloads
  • 300,000+ answers
  • 5-star customer support
Start your 48-Hour Free Trial