Which particle in an atom carries a positive charge?

In an atom, the particle that carries a positive charge is the proton. Protons are located in the nucleus at the center of the atom and play a key role in defining the atomic number of an element, which determines its identity and chemical properties. Each proton has a charge of +1, contributing to the overall positive charge of the nucleus.

While neutrons, which are also found in the nucleus, do not carry any charge, electrons carry a negative charge and are found in a cloud around the nucleus. Molecules represent groups of two or more atoms bonded together and do not correspond to individual atomic particles with a specified charge. Hence, the proton is the specific particle responsible for carrying a positive charge in an atom.