Can a heavy atom like plutonium exist as antimatter?
Understanding Matter and Antimatter Matter forms the tangible substance of the universe, consisting of atoms made up of protons, neutrons, and electrons. Antimatter, conversely, is composed of particles that are the exact opposites of those in matter: positrons (antielectrons), antiprotons, and antineutrons. When matter and antimatter meet, they annihilate each other, releasing energy as described […]