Answered

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

AThe nucleus is the center of the atom.
BAn atom is solid material.
CElectrons are arranged in layers.
DElectrons have a negative charge.

Verified Answer :

"b. An atom is solid material" would be an example of something that is now considered scientifically inaccurate, since we now know that the atom is actually mostly open space.

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