Important Unit Three Terms

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Author:
Anonymous
ID:
209000
Filename:
Important Unit Three Terms
Updated:
2013-03-23 11:22:29
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Chemistry
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Description:
Advanced Higher Chemistry - Unit Three - Important Unit Three Terms
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  1. Breaking bonds is sometimes called bond...?
    fission
  2. What is the difference between homolytic fission and heterolytic fission?
    In homolytic fission, when the bond breaks the two shared electrons are shared equally, one going to each atom.  In heterolytic fission, when the bond breaks both of the shared electrons go to just one of the atoms.
  3. In homolytic fission the atoms are highly reactive because the unpaired electron has a strong tendency to pair up with another electron from another atom or molecule.  What are these highly reactive atoms called?
    Free radicals
  4. Heterolytic fission is more likely to occur when a bond is already polar or non-polar?
    polar
  5. What is an electrophile?
    Atoms or groups of atoms that are deficient in electrons and are attracted to groups that can donate electron pairs.
  6. What is a nucleophile?
    Atoms or groups of atoms that are rich in electrons and are attracted to positively charged centres
  7. Is a carbocation an electrophile or a nucleophile?
    An electrophile as it contains a positively charged carbon atom
  8. Is a carbocation an electrophile or a nucleophile?
    A nucleophile as it contains a negatively charged carbon atoms

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