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44 Cards in this Set

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