Question

Our understanding of the atom has changed over time. Which idea that was once accepted is now considered scientifically inaccurate?

A.
Electrons are arranged in layers.

B.
The nucleus is the center of the atom.

C.
Electrons have a negative charge.

D.
An atom is solid material.
d

Answer 1

@Hayleymeyer

Answer 2

@KyanTheDoodle

Answer 3

Did you put a second D at the end of the question because that's your guess? If so, then I would say so too.

Answer 4

yes