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# Chapter 7

### Light, Bohr Model, Quantum Numbers

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

The visible light spectrum is found in between ___ and ___ | ultraviolet and infrared rays |

___ is the number of waves you have per second | Frequency |

Frequency is in the units of: | Hz or s-1 |

Distance from one crest of a wave to another is called the__ | wavelength |

Frequency and energy are __ proportional | directly |

If energy is high, then the __ is high | frequency |

If frequency is low, then the __ is low | energy |

Frequency and wavelength are ___ proportional | inversely |

If the wavelength is high then the frequency must be __ | low |

If the frequency is low then the wavelength must be | long |

Wavelength is in the unit of __ | meters |

When energy is absorbed, electrons are __ | raised to higher energy levels |

When energy is emitted, electrons __ | fall to lower energy levels |

Another word for being released is being __ | emitted |

Ground state is when: | n=1 |

Wavelength is inversely proportional to mass | |

What is an orbital? | A probability distribution map showing where the electron may be found |

Principle Quantum Number (n) tells us: | size of orbital energy distance if electron from nucleus |

The Principle Quantum Number (n) specifies the __ shell | principle |

Principle Quantum Number can only have ____ | positive integers |

Which quantum number tells describes the shape of an orbital? | Angular momentum quantum number |

The Angular Momentum Quantum Number specifies the ___ | subshell |

Which quantum number uses the variable L? | Angular Momentum Quantum Number |

Which quantum number uses the variable n? | Principle Quantum Number |

The quantum number ___ can only have a variable of n -1 | angular momentum |

Magnetic Quantum Number describes the: | orientation of an orbital |

___ can only have integer values from L to -L | magnetic quantum number |

ML stands for | magnetic quantum number |

L can NEVER be: | negative |

The number of atomic orbitals in each subshell is the same as the number of ___ | ML values |

What do quantum numbers describe? | The electron cloud around the nucleus in the atom |

Electron Spin Quantum Numbers describe: | electron behavior |

___ can only have integer values of +1/2 or -1/2 | electron spin quantum numbers |

Electron spin quantum number is represented by __ | Ms |

If 2 electrons have the same spin they are considered __ or __ | parallel or unpaired |

If 2 electrons have an opposite spin they are considered __ or __ | nonparallel or paired |

For orbital notation, the number comes from ___ and the letter comes from ___ | n, whatever L corresponds with |

What is the maximum number of s orbitals? | 1 |

What is the maximum number of p orbitals? | 3 |

What is the maximum number of d orbitals? | 5 |

What is the maximum number of f orbitals | 7 |

Which orbital is shaped like a sphere? | s orbital |

Which orbital is shaped like a dumbbell? | p orbital |

Which orbital is shaped like a |