Graham Hutchings reflects on how this has come about. Gold is the most noble of the elements and by virtue of this holds a central place in the world of finance, art and jewellery. It is ...
elements are made of only one type of atom. So, different elements are made of different atoms. For example, we've got lead and we've got gold. They're both elements. Presenter: Mm-hm. Teacher ...
Everyone at that time imagined the atom as a "plum pudding ... emitted by the radioactive element radium) at a sheet of gold foil only 1/3000 of an inch thick, and tracing the particles' paths.