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44 Cards in this Set
- Front
- Back
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continuous spectrum
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the emission of a continuous range of frequencies of electromagnetic radiation
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electromagnetic radiation
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a form of energy that exhibits wavelike behavior as it travels through space
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excited state
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a state in which an atom has a higher potential energy thta it has in its ground state
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Frequency
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the number of waves that pass a given point in a specific time usually one second
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electromagnetic spectrum
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all the forms of electromagnetic radiation
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ground state
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the lowest energy state of an atom
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line emission spectrm
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a seriers of specific wavelengths of emitted light created when the visible portion of light from excited atoms is shined trhough a prism
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photoelectric effect
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the emission of electrons from a metal when light shines on the metal
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photon
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a particle of electromagnetic radiation that has zero rest mass and carries a quantum of energy
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quantum
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the minimum quantity of energy that can be gained or lost by an atom
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wavelength
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the distance between corresponding points on adjacent waves
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angular momentum quantum number
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the quantum number that indicates the shape of the orbital
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heisburg uncertainty principle
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it is impossible to determine simaltaneously both the position and velocity of an electron or any other particle
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magnetic quantum number t
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the quantum number that indicates the orientation of an orbital around the nucleus
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orbital
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a three dimensional region around the nucleus that indicates the probably location of an electron
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principal quantum number
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the quantum number that indicateds the main energy level occupied by the electron
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quantum numbers
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a number that specifies the properties of atomic orbital and the properties of electrons in orbitals
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quantum theory
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a mathematical description of the wave properties of electrons and other very small particles
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spin quantum number
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the quantum number that has only two possible values +1/2 and -1/2 whcih indicates the two fundamental spin states of an electron in an orbital
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aufbau principle
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an electron occupies the lowest energy orbital that can receive it
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electron configuration
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the arrangement of electrons in an atom
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highest occupied level t
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the electron-containing main energy level with the highest principal quantum number
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hund's rule
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orbital of equal energy are each occupied by one electron before any orbital is occpied by a second electron, and lal electrons in a singly occupied orbital must have the same spin
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inner shell electrons
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an electron that is not in the hightes occupied energy level
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noble gases
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a group 18 element(helium neon argon krypton zenon and radon)
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noble gas configuration
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an outer main energy level fully occupied, in most cases, by eight electrons
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Pauli exclusion principle
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no two electrons in the same atom can have the same set of frou quantum numbers
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the uncertainyy principle was proposed by
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heisenberg
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d orbitals can have ____ orientation
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5
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p-orbitals can have __ orientations
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3
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an electron must enter the lowest energy orbital due to
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aufbau's principle
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no two electrons can have the same quantum numbers due to
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Pauli exclustion principle
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a 3 dimensional region abuot the nuceus where an electron can be located is an
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orbital
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an electron's probably location is determined by a set of four
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quantum numbers
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luis de broeglie
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proposed that electrons had both wave and particle properties
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a _____ is an individual quantum of light
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photon
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the electromagnetic spectrum is arranged according to increasing
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wavelength
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a ______ is a finite quantity of energy an atom can gain or lose
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quantum
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________ is the lowest energy state of an atom
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ground state
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____ proposed the model for the hydrogen atom
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Neils Bohr
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______ is the distance betw3een two correstponding points on adjacent waves
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wavelength_
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_____ is a state which an atom has a higher potential energy
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excited state
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______ proposed quantum theory
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Max Planck
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______ is the number of waves that pass a given point in a given quantity of time
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Frequency
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