The experiment,which gave the first evidence for the existence of the atomic nucleus,involved which of the following?
A)x-ray scattering
B)radioactive dating
C)cosmic ray detection
D)alpha scattering

Question

Quizplus · Accepted Answer

The experiment that gave the first evidence for the existence of the atomic nucleus is the alpha scattering experiment, conducted by Ernest Rutherford in 1911. In this experiment, alpha particles from a radioactive source were fired at a thin gold foil. The unexpected deflection of some alpha particles indicated the presence of a concentrated positive charge at the center of the atom, which was later identified as the atomic nucleus.

The Experiment,which Gave the First Evidence for the Existence of the Atomic