Question

Which contribution is a modification to Dalton's original atomic model?

Atoms are indivisible.
Electrons are scattered in an atom.
Atoms are the smallest unit of an element.
Atoms of the same element have the same properties.

Answer 1

c
this is because i randomly guessed on ym test and got it right.

Answer 2

The answer is B.

At the time, Dalton didn't know anything about electrons.