Question

Examine the diagrams below of models of the atom. In each diagram, the plus sign (+) represents the proton, the capital N represents the neutron, and the lower case e– represents the electron. Choose the diagram that places the proton, neutron, and electron in their correct positions within an atom.


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Answer 1

Pick the diagram that shows the + and N together in the central nucleus and the e– located outside that nucleus (in the electron cloud/orbit). Protons and neutrons are both in the nucleus at the atom’s center; electrons are outside the nucleus.