I need some help. Please don't give me the answer just some help.
Our understanding of the atom has changed over time. Which idea that was once accepted is now considered scientifically inaccurate?

A.
The nucleus is the center of the atom.

B.
An atom is solid material.

C.
Electrons have a negative charge.

D.
Electrons are arranged in layers.

Question

I need some help. Please don't give me the answer just some help.
Our understanding of the atom has changed over time. Which idea that was once accepted is now considered scientifically inaccurate?
	
	
 
A.
	The nucleus is the center of the atom.
	
 
B.
	An atom is solid material.
	
 
C.
	Electrons have a negative charge.
	
 
D.
	Electrons are arranged in layers.

anonymous · Answer

please help i will give medals and become a fan

anonymous · Answer

Okay, what do you think it is?

anonymous · Answer

im kinda thinking b but im not sure..

anonymous · Answer

@hgreams

anonymous · Answer

Why do you think it's B?

anonymous · Answer

im not sure.. i guess i have a feeling. i just really need some help. @hgreams

anonymous · Answer

Okay. Well I'll tell you this, B is not correct. So, what do you think it is now?

anonymous · Answer

I think it's D. It was once just an idea, but it was proven true.