1 - Orbitals 1.0 Yes, your teacher in school was definitely wrong when he said the electron was moving on a circle around the core. You've probably heard that light can be a wave or a particle. Electrons behave quite similarly. Quantum Mecanics is the theory which describes this wave-phenomena. Because the math behind the calculation of these orbital waves is tough, we need the computer to visualize this beautiful objects. License: Shareware OS: Mac OS Size: 122 KB