Question

matching the scientists with their atomic models
match the scientists with the correct atomic models.
ernest rutherford
democritus and dalton
j.j. thomson
central nucleus with electrons that orbit at a distance
electrons mixed in a positive sphere, also called the plum pudding model
indivisible sphere

Explanation:

Ernest Rutherford proposed a model with a central nucleus and electrons orbiting at a distance. Democritus and Dalton thought of the atom as an indivisible sphere. J.J. Thomson's model had electrons mixed in a positive sphere (plum - pudding model).

Answer:

Ernest Rutherford - central nucleus with electrons that orbit at a distance
Democritus and Dalton - indivisible sphere
J.J. Thomson - electrons mixed in a positive sphere, also called the plum pudding model