what is the name of item \3\ in the model of the atom? neutron electron proton

what is the name of item \3\ in the model of the atom? neutron electron proton
Answer
Brief Explanations:
In an atom model, protons and neutrons are in the nucleus (the central part shown in red - blue in the image), and electrons orbit around the nucleus. Item "3" is in the central part of the atom model which is the nucleus. Protons are positively - charged particles in the nucleus.
Answer:
proton