An electron-rich species which is therefore attracted to parts of the molecule which are electron (a)____________,Have _____ __________ of electrons and may also have a negative charge. They are called ___________
(a)deficient(b)lone pairs(c)Nucleophiles.
An electron-rich species which is therefore attracted to parts of the molecule which are electron deficient is called a nucleophile. Nucleophiles have an excess of electrons and may also have a negative charge. They are called nucleophiles because they are “nucleus loving” and are attracted to positively charged atoms or molecules, or to electron deficient areas of a molecule such as a carbonyl carbon in a carbonyl group. Nucleophiles can participate in reactions such as nucleophilic substitution and additions. Examples of nucleophiles include hydroxide ion (OH-), cyanide ion (CN-), and ammonia (NH3).
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