The development of the model of the atom (4.1.1.3)

Tiny spheres that could not be divided

Before the discovery of the electron, atoms were thought to be...

Ball of positive charge with negative electrons embedded in it

The plum pudding model suggested that the atom is a...

The plum pudding model

The nuclear model replaced...

Niels Bohr

Who adapted the nuclear model by suggesting that electrons
orbit the nucleus at specific distances?

James Chadwick

Who's evidence showed the existence of the neutron in the nucleus?

A ball of positive charge with negitive electrons embeded

Plum Pudding Model

Nuclear model