Because he bombarded the alpha rays on thin foil of gold and alpha rays can not pass through air or gases.
In Rutherford's gold foil experiment atoms are mostly empty space.
The alpha particules went straight threw the gold foil
Rutherford
The most surprising fact about Rutherford's experiment is that some of the atoms bounced backwards while others scattered.
never heard of Rutherford famous gold foil experiment?
In Rutherford's gold foil experiment atoms are mostly empty space.
Ernest Rutherford used the gold foil experiment in 1908 .
Ernest Rutherford, following the "gold foil" experiment.
The Geiger-Marsden experiment, which is also called the gold foil experiment or the Rutherford experiment, was conducted by Hans Geiger and Ernest Marsden in 1909, under Earnest Rutherford's direction. You need a link to the Wikipedia post on this ground-breaking experiment, and we've got one for you.
The nuclear atom was discovered by Ernest Rutherford. He did it with a gold foil experiment.
The gold-foil experiment
th gold foil experiment
Ernest Rutherford was responsible for the Gold Foil experiment. A great portion of Ernest Rutherford's research included the study of alpha particles.
Gold foil experiment.
Rutherford
Rutherford\'s gold foil experiment can be performed in a classroom setting by using marbles, wooden blocks, and books as the materials.
Rutherford used the gold foil experiment to figure out that an atom had charged particles in the nucleus