According to the current model of the atom, the part of the diagram labeled B is made up of
A) protons.
B) neutrons.
C) electrons.
D) protons and neutrons.
E) protons, neutrons, and electrons.

Question

According to the current model of the atom, the part of the diagram labeled B is made up of 
A) protons. 
B) neutrons. 
C) electrons. 
D) protons and neutrons. 
E) protons, neutrons, and electrons.

Quizplus · Accepted Answer

The part of the atom labeled B is the nucleus, which contains the majority of the mass of the atom. The current model of the atom shows that the nucleus is made up of protons, which have a positive charge, and neutrons, which have no charge. Therefore, the correct answer is D, protons and neutrons.

According to the Current Model of the Atom, the Part