Final answer:
In an atom, electrons are located in the electron cloud and carry a negative charge. The nucleus is located in the center of the atom and carries a positive charge.
Step-by-step explanation:
In an atom, the electrons are located in the electron cloud and carry a negative charge. The nucleus, on the other hand, is located in the center of the atom and carries a positive charge. The electron cloud surrounds the nucleus and contains all the electrons in an atom.