Inside an atom ,what exists in the space between protom to electron ?
You have struck a really fundamental question there. More than two thousand years ago the Greek philosopher Democritus proposed that everything was made up of atoms, but then the question rose what was between the atoms and he said that there was nothing, a void or vacuum. Aristotle raised a fundamental objection since he said that it was not possible to for “nothing” to exist as the very ideas are self-contradictory. If the void or vacuum cannot exist, then the idea that things are made of atoms is wrong. Aristotle was considered to be the smartest man around and so Democritus’ idea was shelved. It was taken down from time to time but people agreed with Aristotle and put Democritus back on the shelf. And there were also “religious” objections since Democritus became associated with a philosophical school that Christians found repellent. Of course evidence accumulated that Democritus was correct and after the 1790s the revised atomic theory proposed by John Dalton was accepted, but thi
