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jade ch 4 vocab

Visible Light one type of electromagnetic radiation that moves at a constant speed
*Velocity of a wave
photoelectric effect emission of electrons from a metal when a light shines in the metal
quantum the minimum quantity of energy that can be gained or lost by an atom
*Planck’s Constant the constant of proportionality relating the energy of a photon to its frequency
Photon particle of electromagnetic radiation that has zero rest mass and carries a quantum of energy
*Energy of a Photon
Ground State lowest energy state of an atom
Excited State state where an atom has a higher potential energy than it has in its ground state
Line emission spectrum
continuous spectrum emission of a continuous range of frequencies of electromagnetic radiation
Bohr radius the radius of the n=1 orbital in hydrogen
Heisenberg Uncertainty Principle in is impossible to determine simultaneously to both the position and vilocity of an electron or any other particle
Quantum Theory or Quantum Mechanics (same definition for both of these so list them together) mathmatical description of the wave properties of electrons and other very small particles
Orbital 3
Quantum numbers a number that specifies the properties of atomic orbitals and the properties of electrons in orbitals
Principle Quantum number (n) quantum number that indicates the main energy level occupied by the electron
Angular momentum quantum number (l ) quantum number that indicates the shape of the orbital
Magnetic quantum number (m) quantum number that indicates the orientation of an orbital around the nucleus
Spin quantum number (s) quantum number that has only 2 values, which indicate the 2 fundamental spin states of an electron in an orbital
Aufban Principle an electron occupies the lowest energy orbital that can recieve it
Electron Configuration arrangement of electrons in an atom
Pauli Exclusion Principle No two electrons in the same atom may have identical sets of four quantum numbers.
Hund’s Rule orbitals of equal energy are each occupied by one electron before any orbital is occupied by a second electron,and all electrons in singly occupied orbitals must have the same spin
Valence Electron electron that is avalible to be lost gained or shared in the formation of chemical compounds
Inner shell electrons
Highest occupied level electron containing main energy level with the highest principal quantum number
Noble Gas Configuration an outer main energy level, fully occupied in most cases by 8 electrons
s sublevel or sub orbital
*p sublevel or sub orbital
*f sublevel or sub orbital
Electromagnetic radiation form of energy that exhibits wavelike behavior as it travels through space
Electromagnetic spectrum all the forms of electromagnetic radiation
Wavelength distance between corresponding points on adjacent waves
Frequency number of waves that pass a given point in a specific time normally one second
Wavelength distance between corresponding points on adjacent waves
Frequency number of waves that pass a given point in a specific time normally one second
Created by: mahalie.jade



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