It also tells us that chlorine has 18 neutrons (35 - 17) and, as the number of electrons and protons are equal in a neutral atom ... is the same as its proton (atomic) number.

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 ...

What are some famous models of atom apart from Bohr's Model of an Atom? Some well-known models of atom are Dalton's atomic model, Thomson's atomic model, Rutherford's atomic model and quantum ...

Listen to the full series on BBC Sounds. Hans Geiger and Ernest Marsden tested the plum pudding model. They aimed beams of positively-charged particles at very thin gold foil. These particles ...