Question

The model of the atom has changed as scientists have gathered new evidence. Four models of the atom are shown below, but one important model is missing.

I don't understand.... ) :

Answer 1

I think all four models are missing.
If you google atom or atomic theory I'm sure you will find what you seek.

Answer 2

( A)An atom can join with other kinds of atoms.
(B)Dalton’s model
(D)an atom is made up of electrons in a sea of positive charges.
(A)Bohr’s work with atomic spectra led him to say that the electrons were limited to existing in certain energy levels, like standing on the rungs of a ladder.
Ur welcome!!!!!!!!!!

Answer 3

I approve!!!! : )