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2. List of unsolved problems in chemistry - Wikipedia

   en.wikipedia.org/wiki/List_of_unsolved_problems...

   Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Unsourced material may be challenged and removed. Find sources: "List of unsolved problems in chemistry" – news · newspapers · books · scholar · JSTOR ( December 2014 ) ( Learn how and when to remove this message )

3. Socratic (Google) - Wikipedia

   en.wikipedia.org/wiki/Socratic_(Google)

   The app uses AI technology to help students with their homework by providing educational resources like videos, definitions, Q&A, links and more. [2] Socratic was first launched as a web product in 2013 by Chris Pedregal and Shreyans Bhansali, in New York City, United States. They launched their app under the same name in 2016.

4. Cross-coupling reaction - Wikipedia

   en.wikipedia.org/wiki/Cross-coupling_reaction

   In organic chemistry, a cross-coupling reaction is a reaction where two different fragments are joined. Cross-couplings are a subset of the more general coupling reactions. Often cross-coupling reactions require metal catalysts. One important reaction type is this:

5. Organic chemistry - Wikipedia

   en.wikipedia.org/wiki/Organic_chemistry

   Organic chemistry is a subdiscipline within chemistry involving the scientific study of the structure, properties, and reactions of organic compounds and organic materials, i.e., matter in its various forms that contain carbon atoms. [1]

6. Clar's rule - Wikipedia

   en.wikipedia.org/wiki/Clar's_rule

   Clar's rule is widely applied in the fields of chemistry and materials science. For instance, Clar's rule can be used to predict several properties of graphene nanoribbons . [ 10 ] Aromatic π-sextets play an important part in the determination of the ground state of open shell biradical -type structures., [ 4 ] Clar's rule can rationalize the ...

7. Acyl group - Wikipedia

   en.wikipedia.org/wiki/Acyl_group

   In chemistry, an acyl group is a moiety derived by the removal of one or more hydroxyl groups from an oxoacid, [1] including inorganic acids. It contains a double-bonded oxygen atom and an organyl group ( R−C=O ) or hydrogen in the case of formyl group ( H−C=O ).