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Chemistry

9th -

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Unit 25 Nuclear Chemistry

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  • 1. Multiple Choice
    30 seconds
    1 pt
    Alpha particles.....
    a) are positively charged.
    b) consist of two protons and four neutrons.
    c) can penetrate any thickness of matter
    d) All of the above 
  • 2. Multiple Choice
    30 seconds
    1 pt
    The process of nuclear change in an atom of radioactive material is called... 
    nuclear decay
    nuclear mass
    isotopes
    radon
  • 3. Multiple Choice
    30 seconds
    1 pt
    During beta decay, a nucleus .... 
    gives up two protons and two neutrons.
      maintains the same number of protons and neutrons.
      loses a proton and gains a neutron.
    gains a proton and loses a neutron.