atom

phet.colorado.edu

How did Rutherford figure out the structure of the atom without being able to see it? Simulate the famous experiment in which he disproved the Plum Pudding model of the atom by observing alpha particles bouncing off atoms and determining that they must have a small core.

phet.colorado.edu

This simulation is designed for undergraduate level students who are studying atomic structure. The simulation could also be used by high school students in advanced level physical science courses.