which atomic model has a positively charged nucleas and q negatively charged cloud of electrons giving the atom it's size?

In Thomson's model, the atom is composed of electrons surrounded by a soup of positive charge to balance the electrons' negative charges, like negatively charged “plums” surrounded by positively charged “pudding”. The 1904 Thomson model was disproved by Hans Geiger's and Ernest Marsden's 1909 gold foil experiment.

Explanation:

This is a collage question It's a hard one.

16

explanation:

the marks go by 4s