The critical experiments that established the nuclear nature of atoms were performed by
A)Bohr
B)Balmer
C)Rydberg and Ritz
D)Geiger and Marsden
E)Thomson

Question

Quizplus · Accepted Answer

The critical experiments that established the nuclear nature of atoms were the gold foil experiment performed by Geiger and Marsden in which alpha particles were fired at a thin sheet of gold foil. The observation of some alpha particles being deflected at large angles supported the idea of a small, dense, and positively charged nucleus at the center of the atom.

The Critical Experiments That Established the Nuclear Nature of Atoms