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Quantum Theory

TermDefinition
Hund's Rule Atoms with unpaired electrons have them aligned with their spins all oriented in the same direction.
The Matter Wave Equation All moving objects have an associated wavelength.
Pauli Exclusion Principal No two electrons can be in the same place at the same time.
Fluorescence When an object absorbs UV radiation and emits visible light and heat.
Aufbau Diagram When an orbital is full, the next electron will fill the available orbital with the lowest overall energy.
Valence Electrons These electrons live in the highest (outermost) n-shell.
Shielding When electrons closer to the nucleus block the nuclear charge from reaching outer electrons
The action of a photon of specific energy (wavelength) that will drive an electron from the surface of a metal object, overcoming its binding energy. Which of the descriptions above best describes that of the photoelectric effect?
The concept that certain pairs of physical properties, such as position and momentum, cannot be simultaneously known to arbitrarily high precision. The more precisely one property is measured, the less precisely the other can be measured. Which of the descriptions above best describes that of Heisenberg’s Uncertainty Principle?
The periodic trend that is defined by an element’s relative ionization energy, ability to displace Hydrogen from an acid, form alkaline (basic) oxides and the formation of ionic bonds. Which of the descriptions above best describes that of Metallic Character?
The amount of energy, in kilojoules per mole, that are endothermically required to remove one mole of electrons from a mole of atoms in the ground state and the gas phase. Which of the descriptions above best describes that of Ionization Energy?
The amount of energy, in kilojoules per mole, that are absorbed or released upon the acceptance of one mole of electrons by one mole of atoms in the ground state and the gas phase. Which of the descriptions above best describes that of Electron Affinity?
Created by: oliver_g37
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