When alpha particles are sent through a thin metal foil, most of them go straight through the fo...

Описание к видео When alpha particles are sent through a thin metal foil, most of them go straight through the fo...

When alpha particles are sent through a thin metal foil, most of them go straight through the foil because:
(a) Alpha particles are much heavier than electrons.
(b) Alpha particles are positively charged.
(c) Most part of the atom is empty space.
(d) Alpha particles move with very high velocity.
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