What is plum pudding model of the atom ?
An alpha particle colliding with one of the electrons in a gold atom loses
Why atoms are electrical neutral ?
An electron is moving round the nucleus of a hydrogen atom in a circular orbit of radius $r$. The Coulomb force $\vec{F}$ between the two is
Rutherford’s $\alpha$-particle experiment showed that the atoms have
Explain the Rutherford atomic model and its limitation.