JEE Main Chemistry question

When -particles are sent through a thin metal foil, most of them go straight through the foil because

(A)Most part of the atom is empty spaceCorrect
(B)Alpha particles move with high speed
(C)Alpha particles are much heavier than electrons
(D)Alpha particles are positively charged

Answer: (A)

Solution

Rutherford's gold-foil experiment showed that the atom's mass and positive charge are concentrated in an extremely small nucleus, leaving the rest of the atom

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Question ID VK-132339