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# Chapter 5 key terms

### Vocab words

Question | Answer |
---|---|

electronmagnetic radiation | a form of energy that exhibits wavelike behavior as it traver through space |

wavelength | the shortest distance between equivalent points on a continuous wave |

frequency | the number of waves that pass a given point for a second |

amplitude | a wave heights from the orgin to a crest or from theorigin to a tough |

electromagnetic spectrum | encompasses all forms of electronmagnetic raditon |

quantum | the minimum amount of energy that can be grand or lost by an atom |

Planck's constant | has a value of [6.626x10^-34Jxs] |

photoelectric effect | are emitted from a metal's surface when light of a certain frequency shines on a surface |

photon | a particle of electronmagnetic radiation with no mass that carries a quantum of energy |

atomic emission spectrum | an element is the set of frequencies of the electromagnetic waves emitted by atoms of the element |

ground state | the lowest allowable energy state of an atom |

de Broglie equation | predicts that all moving particles have wave characteristics |

heisenberg uncertainty principle | states that it is fundamentally impossinle to know precisely both the velocity and position of a particle at the same time |

quantum mechanical model of the atom | atomic model in which electrons are treated as waves |

atomic orbital | a three dimensional regin around the nucleus |

principal quantum number | that indicates the relative sizes and energies of atomic orbitals |

principal energy levels | specifies the atoms energy level |

energy sublevels | the energy levels contained within principal energy level |

electronmagnetic radiation | a form of energy that exhibits wavelike behavior as it traver through space |

wavelength | the shortest distance between equivalent points on a continuous wave |

frequency | the number of waves that pass a given point for a second |

amplitude | a wave heights from the orgin to a crest or from theorigin to a tough |

electromagnetic spectrum | encompasses all forms of electronmagnetic raditon |

quantum | the minimum amount of energy that can be grand or lost by an atom |

Planck's constant | has a value of [6.626x10^-34Jxs] |

photoelectric effect | are emitted from a metal's surface when light of a certain frequency shines on a surface |

photon | a particle of electronmagnetic radiation with no mass that carries a quantum of energy |

atomic emission spectrum | an element is the set of frequencies of the electromagnetic waves emitted by atoms of the element |

ground state | the lowest allowable energy state of an atom |

de Broglie equation | predicts that all moving particles have wave characteristics |

heisenberg uncertainty principle | states that it is fundamentally impossinle to know precisely both the velocity and position of a particle at the same time |

quantum mechanical model of the atom | atomic model in which electrons are treated as waves |

atomic orbital | a three dimensional regin around the nucleus |

principal quantum number | that indicates the relative sizes and energies of atomic orbitals |

principal energy levels | specifies the atoms energy level |

energy sublevels | the energy levels contained within principal energy level |

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