A) a sphere of positive charge in which electrons are embedded like seeds of water-melon
B) a sphere of negative charge in which protons are embedded like seeds of water-melon
C) a sphere of electron cloud in which the positive charge in placed at the centre of the sphere
D) a sphere of neutral charge
Correct Answer: C
Solution :
Rutherfords model states that an atom is a sphere of diameter about\[{{10}^{-10}}m\]whole of its positive charge is concentrated at the centre.
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