Question
Which observation by Ernest Rutherford and his students refuted the plum pudding model?(1 point)
Responses
electron deflection
electron deflection
alpha particle attraction
alpha particle attraction
electron attraction
electron attraction
alpha particle deflection
Responses
electron deflection
electron deflection
alpha particle attraction
alpha particle attraction
electron attraction
electron attraction
alpha particle deflection
Answers
GPT-5 mini
alpha particle deflection
Rutherford’s gold‑foil experiment showed some alpha particles were strongly deflected (even backscattered), implying a small, dense, positively charged nucleus — contradicting the plum pudding model.
Rutherford’s gold‑foil experiment showed some alpha particles were strongly deflected (even backscattered), implying a small, dense, positively charged nucleus — contradicting the plum pudding model.