Chemistry

Which of the following is not a conclusion Rutherford made from his experiment with alpha particles being shot at a thin sheet of gold foil?

(A) An atom has a very small, compact nucleus.
(B) An atom is mainly empty space.
(C) An atom’s mass is concentrated in the nucleus.
(D) An atom has a very dense nucleus.
(E) An atom has a negatively charged nucleus.
Test ID: 1398
Source: SAT Chemistry Practice Test