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Electrons in Atoms

Terms in this set (38)

absorption spectrum
a continuous spectrum with missing wavelengths
amplitude
the wave's height from the origin to a crest or the origin to a trough
angular (or azimuthal) quantum number
specifies the sublevel in an orbital and describes the orbital shape
Aufbau Principle
the rule stating that an electron occupies the lowest energy level available
continuous spectrum
includes all wavelengths within a given range of frequencies of radiation
diamagnetism
the property of a substance whereby it is weakly repelled by a magnetic field; having no unpaired electrons
electromagnetic radiation
a form of energy that exhibits wavelike behavior and moves at the speed of light in a vacuum
electron configuration
the arrangement of electrons in an atom
electron configuration notation
method to represent electrons in an atom that shows the number of electrons in each sublevel but not the electrons in an orbital; groups all sublevels in a main energy level together
electron dot notation
AKA Lewis dot notation; method to represent only the valence electrons of an atom using the element symbol and dots for each valence electron arranged in pairs around the symbol
energy level
the fixed amount of energy that a system described by quantum mechanics, such as a molecule, atom, electron, or nucleus, can have
excited state
an atom that has a higher potential energy than its ground state
ferromagnetism
results from all atoms in the substance becoming oriented with their magnetic poles in the same direction
frequency
the number of waves that pass a certain point in a specific period of time, usually one second
ground state
the lowest energy position of an atom
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