Photo: Niels Bohr's research notes for his new atomic theory Rutherford's find came from ... Atoms with less than the maximum number in their outer shells are less stable than those with "full ...

In 1913, Niels Bohr revised Rutherford's model by suggesting that ... However, there was still a difference between the atomic number of the atom and the atomic mass. Bohr and other scientists ...

THE beautiful conception which inspires and co-ordinates practically the whole of modern atomic physics is the atomic model of Rutherford and Bohr. Its essential feature-the nucleus-was first put ...

This defied the existing atomic model, which assumed atoms were uniformly spread out. From this, Rutherford proposed a revolutionary new model of the atom. He suggested that the atom consists of a ...

Save guides, add subjects and pick up where you left off with your BBC account. An element's atomic number defines it. An element with 17 protons will always be chlorine. However an element's mass ...

Photo: Niels Bohr's research notes for his new atomic theory Rutherford's find came from ... Atoms with less than the maximum number in their outer shells are less stable than those with "full ...