The modern atomic theory has been updated over the years as new observations of the atom have been made. what do these changes say about the strength of the modern atomic theory? the changes make the theory weaker because they demonstrate that the scientific community can't agree on the properties of atoms. the changes make the theory weaker because they demonstrate that the original atomic theory was flawed, so all resulting theories are also flawed. the changes make the theory stronger because it has been tested and edited multiple times, making it more durable. the changes make the theory stronger because each time the theory is changed, it becomes more popular.