Question

which atomic model came first?
a. thomsons
b. daltons
c. rutherfords
d. bohrs

Explanation:

John Dalton proposed his atomic theory in the early 19th - century. Thomson's plum - pudding model came later in 1897, Rutherford's nuclear model in 1911, and Bohr's model in 1913. Dalton's work was foundational.

Answer:

B. Dalton's