It explains the structure of atoms and the process of nuclear fission, leading to chain reactions that release immense energy. The narrative highlights the peaceful applications of atomic energy ...

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 ...

Everything we can see and touch, and quite a lot that we can’t as well, is made of tiny particles called atoms. Some substances, like particles of this iron, contain only one kind of atom.