the rule that electrons occupy the orbitals of lowest energy first. electrons fill lower energy levels first. The German term “ Aufbau” means “building up” or “construction”. Learn chemistry electron with free interactive flashcards. The Aufbau principle (from the German Aufbaumeaning “building up, construction”) describes a model-building method in which an atom is “built up” by progr… Since each electron in an atom minimizes its energy, the energy of the entire atom is a minimum as well. An orbital often is depicted as a three-dimensional region A spherical electron cloud surrounding an atomic nucleus would best represent, An energy level of n=2 can hold ? The aufbau principle, from the German Aufbauprinzip ( building-up principle ), also called the aufbau rule, states that in the ground state of an atom or ion, electrons fill atomic orbitals of the lowest available energy levels before occupying higher levels. the pattern formed when light passes through a prism or diffraction grating to separate it into the different frequencies of light it contains, a mathematical expression describing the probability of finding an electron at various locations; usually represented by the region of space around the nucleus where there is a high probability of finding an electron, the rule that electrons occupy the orbitals of lowest energy first, energy waves that travel in a vacuum at a speed of 2.998 x 10^5 m/s; includes radio waves, microwaves, infrared waves, visible light, ultraviolet waves, x-rays, and gamma rays, the arrangement of electrons of an atom in its ground state into various orbitals around the nuclei of atoms, the specific energies an electron in an atom or other system can have, the number of wave cycles that pass a given point per a unit of time; frequency and wavelength are inversely proportional to each other, the lowest possible energy of an atom described by quantum mechanics, It is impossible to know exactly both the velocity and the position of a particle at the same time, the unit of frequency, equal to one cycle per second, electrons occupy orbitals of the same energy in a ways that makes the number or electrons with the same spin direction as large as possible, an atomic orbital may describe at most two electrons, each with opposite spin directions, the ejection of electrons by certain metals when they absorb light with a frequency above a threshold frequency, a quantum of light; a discrete bundle of electromagnetic energy that interacts with matter similarly to particles, a number used to calculate the radiant energy absorbed or emitted by a body based on the frequency of radiation, the amount of energy needed to move an electron from one energy level to another, the modern description, primarily mathematical, of the behavior of electrons in atoms, wavelengths of visible light that are separated when a beam of light passes through a prism; range of wavelengths of electromagnetic radiation, quantum mechanical property of electrons that may be thought of as clockwise or counter clockwise, the distance between adjacent crests of a wave. 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