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The Rutherford Experiment proved the existence of positively charged atomic nuclei. The...
The process of the decay of unstable nuclei is called radioactivity.
This lesson presents the discovery of radioactive radiation and its positive and negative...
This lesson presents the structure of the atom through the history of atomic models.
Matter is made up by quarks and leptons, while interactions are carried by bosons.
The lesson introduces you to the components of an atom.
This animation explains transparency and opacity, the principle of radiography, and the...