Question

which describes ernest rutherfords experiment? positive particles are fired at gold foil. most bounce back, but some pass through. negative particles are fired at gold foil. most bounce back, but some pass through. positive particles are fired at gold foil. most pass through, but some bounce back. negative particles are fired at gold foil. most pass through, but some bounce back.

Explanation:

In Rutherford's gold - foil experiment, alpha particles (positively charged) were fired at a thin gold foil. Most particles passed straight through, indicating the atom is mostly empty space, while some bounced back due to the small, dense, positively - charged nucleus.

Answer:

C. Positive particles are fired at gold foil. Most pass through, but some bounce back.