Photo: Niels Bohr's research notes for his new atomic theory Rutherford's find came from a very strange experience. Everyone at that time imagined the atom as a "plum pudding." That is ...

An element's atomic number defines it. An element with 17 protons will always be chlorine. However an element's mass numbers can vary, which means that it can have different numbers of neutrons ...

What is the structure of an atom ... Learn more about atoms and the Rutherford-Bohr model of an atom in this CCEA Double Award revision guide. Radioactive decay and half-life - CCEA Radioactivity ...

Manchester is the birthplace of nuclear physics and this year marks 100 years since Ernest Rutherford ‘split the atom’ at The University of Manchester…or does it? In 1917, the Nobel Prize winner ...

Photo: Niels Bohr's research notes for his new atomic theory Rutherford's find came from a very strange experience. Everyone at that time imagined the atom as a "plum pudding." That is ...