Which of these statements best explains why models are used to study atoms?

Atoms of all materials are not the same.

Atoms cannot be observed with any scientific instrument.

Atoms are hypothetical particles which do not actually exist.

Atoms are too small to be examined in detail without a microscope.

Question

Which of these statements best explains why models are used to study atoms?

 Atoms of all materials are not the same.

 Atoms cannot be observed with any scientific instrument.

 Atoms are hypothetical particles which do not actually exist.

 Atoms are too small to be examined in detail without a microscope.

roadjester · Answer

Ok a typical hydrogen atom is made up of a nucleus that has 1 neutron and 1 proton.
On the outer shell there is an electron moving around.

anonymous · Answer

so would it be D