Our understanding of how the physical world works – from the tiniest subatomic particle to the ... and meteorologist, John Dalton The foundations of the modern understanding of the atom was ...

The scientist John Dalton carried out a series of experiments. He concluded that all matter was made of tiny particles called atoms. He suggested that an atom was a tiny solid ball. He published ...

There was little change in the understanding of the atom until John Dalton (1766-1844), an English ... can be transferred as atoms collide Alpha particles are a form of nuclear radiation with ...