Question

how the discovery of proton changed the model of the atom?

Answer 1

Wikipedia says

The Bohr model of the atom, with an electron making instantaneous "quantum ... The explanation for these different isotopes awaited the discovery of the neutron, .... If this modifies the number of protons in a nucleus, the atom changes

Answer 2

@Yaneila

Answer 3

@Yaneila

Answer 4

@Secret-Ninja

Answer 5

is that a full answer? @micahm

Answer 6

it from a site

Answer 7

do you know how the neutron changed the model of the atom?

Answer 8

Wikipedia says

Protons and neutrons, each with mass approximately one atomic mass unit, .... Isospin is a useful approach to modeling the interactions of nucleons by the nuclear ..... is for one of the neutron's quarks to change flavour via the weak interaction.

Answer 9

is there more