Consider the following generic picture of an atom. Which of the following is correct about the regions labeled 1 and 2?
A)Region 2 is populated by electrons and neutrons.
B)Region 2 is populated by electrons an protons.
C)Region 1 is populated by protons and neutrons.
D)Region 1 is populated by protons and electrons.
E)Region 1 is populated only by electrons and Region 2 only by protons.

Question

Consider the following generic picture of an atom.  Which of the following is correct about the regions labeled 1 and 2?
A)Region 2 is populated by electrons and neutrons. 
B)Region 2 is populated by electrons an protons. 
C)Region 1 is populated by protons and neutrons. 
D)Region 1 is populated by protons and electrons. 
E)Region 1 is populated only by electrons and Region 2 only by protons.

Quizplus · Accepted Answer

Region 1 represents the nucleus of the atom, where protons and neutrons are densely packed. Region 2 represents the electron cloud surrounding the nucleus, which is only populated by electrons. Therefore, choice C is correct as it states that Region 1 is populated by protons and neutrons.

Consider the Following Generic Picture of an Atom