Question

Sketch Rutherford's atomic model.Why Rutherford's model of the atom is called the planetary model?

Answer 1

because it looked like our solar system
sun in centre lije nucleus
planets revolving around the sun in fixed orbits like electros

Answer 2

The model described the atom as a tiny, dense, positively charged core called a nucleus, in which nearly all the mass is concentrated, around which the light, negative
constituents, called electrons , circulate at some distance, much like planets revolving around the Sun .