1.

When atoms are bombarded with alpha particles, only a few in million suffer deflection, others pass out undeflected. This is because

Answer»

The force of repulsion on the moving alpha PARTICLE is SMALL
The force of attraction on the alpha particle to the oppositely charged ELECTRONS is very small
There is only one nucleus and large number of electrons
The nucleus OCCUPIES much smaller volume compared to the volume of the ATOM

Solution :The nucleus occupies much smaller volume compared to the volume of the atom


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