What are the repulsion of protons from one antoher and the repulsion of electrons from one another responsible for?

The repulsion between protons and the repulsion between electrons are responsible for the fundamental forces that govern the behavior and structure of matter.

The repulsion between protons is called the electromagnetic repulsion, which arises from the electrostatic interaction between particles of like charge. Protons carry a positive charge, and like charges repel each other. This repulsion is responsible for preventing the atomic nucleus, which is made up of protons, from collapsing inward due to the strong attractive force of the nuclear force.

Similarly, the repulsion between electrons is also an electromagnetic repulsion. Electrons carry a negative charge, and so electrons also repel each other due to their like charges. This repulsion plays a crucial role in determining the way atoms and molecules behave, and it helps to define the shape and properties of chemical compounds.

Overall, the repulsion between protons and electrons is responsible for the stability of matter, the structure of atoms, and the properties of chemical elements and compounds.