Rutherford assumed that the atomic nucleus was positively charged because ________.
A)electrons were already established to be negatively charged
B)the alpha particles that ricocheted off of the nucleus are also positively charged
C)he had a very optimistic outlook on life
D)Two of the above are reasonable answers

Question

Quizplus · Accepted Answer

Rutherford assumed the nucleus was positively charged because electrons were known to be negatively charged (A), and the alpha particles that were deflected were also positively charged (B), indicating a repulsion between like charges.

Rutherford Assumed That the Atomic Nucleus Was Positively Charged Because