Protons and neutrons exit together in an extermely small space within the nucleus. How is this possible when protons replel each other?

Two protons attract each other when

Name the fundamental particle which exists in the nucleus with protons and neutrons.

How does a neutron differ from proton ?

There are 15 protons and 16 neutrons in the nucleus of an element. Calculate its atomic number and mass number. How will you represent the element?

In a fusion process a proton and neutron combine to give a deuterium nucleus. If m_(o) and m_(p) be the mass of neutron and proton respectively the mass of deuterium nucleus is

How do neutrons and protons different characteristic?