`atomic-models` Related Article Results

Atom is the smallest unit of matter. Everything we see around us — rocks, plants, animals, and even ourselves — is composed of countless atoms. Atoms are so small that even a single grain of sand contains trillions of them. An atom consists of two main parts: the nucleus and the electron cloud surrounding it. The nucleus contains protons (positively charged particles) and neutrons (neutral particles). Electrons (negatively charged particles) move rapidly around the nucleus. Structure of the Atom