Ch.19 - Nuclear ChemistrySee all chapters

Sections | |||
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Radioactive Decay | 42 mins | 0 completed | Learn |

Band of Stability | 22 mins | 0 completed | Learn |

Magic Numbers | 10 mins | 0 completed | Learn |

First Order Half Life | 20 mins | 0 completed | Learn |

Additional Sections |
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Alpha Decay |

Beta Decay |

Gamma Emission |

Electron Capture |

Positron Emission |

Nuclear Fission |

Mass Defect |

Nuclear Fusion |

Nuclear Transmutation |

^{222}Ra is a naturally occurring radioisotope that can build up in homes. Calculate the rate constant for the first‐order decay of ^{222}Ra. ( t_{1/2} = 3.30 x 10^{5} s)

A) 2.29 x 10^{5} s^{‐1}

B) 2.1 x 10^{‐6} s^{‐1}

C) 12.7 s^{‐1}

D) 3.03 x 10^{‐6} s^{‐1}

E) 4.37 x 10^{‐6} s^{‐1}

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