vocab
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| electromagnetic radiation | is a form of energy that exhibits wavelike behavior as it travels space.
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| wavelength | the length, frenquency, amplitude, and speed.
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| frenquency | is the number of waves that pass a given point per second.
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| amplitude | is the wave's height from the origin to a crest or from the origin to a trough
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| electromagnetic spectrum | encompasses all forms of electomagnetic radiation
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| quantum | is the minimum amount of energy that can be gained or lost
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| planck's constant | has the value of 6.626x10^-34 J*s where j is the symbol for joule the SI unit of energy
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| photoelectric effect | photoeletrons are emitted from a metal surface when light of a certain frequency shines on the surface.
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| photon | is a particle of electromagnetic radiation with no mass that carries a quantum of energy
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| atomic emission spectrum | is an element is the set of frequencies of the electromagnetic waves emitted by atoms of the element
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| ground state | the lowest allowable energy state of an atom
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| de Brogile equation | predicts that all moving particles have wave characteristics.
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| Heisenberg uncertainty | states that it is fundamentally impossible to know precisely both the velocity and position of a particle at the same time.
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| quantum mechanical model of the atom | the atomic model in which electrons are treated as waves
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| atomic orbital | three dimensional region around the nucleus describes the electron's probable location
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| principla quantum numbers | indicate the relative sizes and energies of atomic orbitals.
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| principal energy levels | n specifies the atoms major energy levels
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| energy sublevels | part of energy levels
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| electron configuration | arrangement of electrons in an atom
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| aufbau principle | states that each electron occupies the lowest energy orbital available.
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| pauli exclusion principle | states that a maximum of two electronsmay occupy a single atomic orbital.
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| hunds rule | states that a singleelectrons with the same spinmust occupyeach equal energy orbital before additional electrons with opposite spins can occupy same orbitals
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| electron dot structure | consists of the elements symbol which represents the atomic nucleus and inner level electrons surrounded by dots representing the atoms valence electrons
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