What could j. j. thomson conclude from his experiments? atoms are mostly empty space. most of the mass of the atom is concentrated in the center. atoms must balance positive and negative particles. atoms are indivisible.

The correct answer is :'Atoms must balance positive and negative particles'.

Explanation:

Scientist, J.J. Thomson  from his experiment put forward following postulates regarding the structure of a atom:

Hence, he can conclude from his experiment that :Atoms must balance positive and negative particles.

J.J. Thomson concluded that atoms must balance positive and negative particles.

Explanation: Model given by J.J. Thomson was Plum Pudding Model. This model was made in the course for the discovery of electron.

In the model, he said that the atom is a sphere carrying positive charge and the electrons having negative charge are embedded in it to balance the positive charge. The electrons are like plum in the pudding which are embedded in it.

Hence, he concluded that the atom is neutral which means that atoms must balance positive and negative particles.