ELETRON
An electron is a tiny, subatomic particle that carries a negative electrical charge (-1). Unlike protons and neutrons, which stay bunched together in the center of the atom, electrons are constantly zipping around the nucleus at incredibly high speeds. They move within specific regions called shells or energy levels, creating what scientists often call an "electron cloud." Because they are so small—about 1,836 times lighter than a proton—their mass is usually considered almost zero when calculating the total weight of an atom.
Despite their tiny size, electrons are the "social" part of the atom because they are responsible for chemical bonding. When two atoms meet, it is their electrons that interact, move, or get shared to create molecules like water or salt. The flow of these electrons from one atom to another is also what creates electricity, which powers everything from your phone to the lights in your home.
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