In an atom,for the electron to revolve around the nucleus,the necessary centripetal force is obtained from which of the following forces exerted by the nucleus on the electron?

What radioactive source did Geiger and Marsden use in the scattering experiment?

Based on which experiment did the Rutherford nuclear model come from?

We consider the Thomson model of the hydrogen atom in which the proton charge is distributed uniformly over a spherical volume of radius $R = 0.25 \,\mathring A$. Applying the Bohr quantization condition in this model,the ground state energy (in $eV$) of the electron will be close to:

What are the main postulates (suggestions) of Dalton's atomic theory?

Which scientist proposed the plum pudding model of the atom?