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Developed to meet the increasing demands of scholarly research, Academic Search Ultimate offers students an unprecedented collection of peer-reviewed, full-text journals, including many…
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Academic Search Ultimate — Product
Developed to meet the increasing demands of scholarly research, Academic Search Ultimate offers students an unprecedented collection of peer-reviewed, full-text journals, including many…
Showing 861 to 870 of 69981 results.
Aromaticity — Research Starter
Aromaticity is a property of certain molecular structures characterized by the delocalization of electrons within conjugated pi (π) bonds. This phenomenon primarily occurs in cyclic compounds, notably…
Anions — Research Starter
Anions are negatively charged ions formed when an atom or group of atoms gains one or more valence electrons. The term "anion" comes from "anode ions," reflecting their movement toward the positive…
Ammonium Ion — Research Starter
The ammonium ion (NH₄⁺) is a positively charged polyatomic ion formed when a neutral ammonia molecule (NH₃) accepts a proton (H⁺) from an acid. This process aligns with Brønsted-Lowry acid-base…
Amines — Research Starter
Amines are a class of organic compounds characterized by the presence of nitrogen-based functional groups in their molecular structures. They play a vital role in organic synthesis, serving as key…
Allylic Alcohols — Research Starter
Allylic alcohols are a class of organic compounds distinguished by the presence of a hydroxyl (−OH) functional group attached to an allylic carbon—a carbon adjacent to a carbon-carbon double bond…
Alkynes — Research Starter
Alkynes are a class of hydrocarbons characterized by the presence of at least one carbon-carbon triple bond (C≡C) in their molecular structure. They are highly reactive due to this triple bond, which…
Alkyl Halides — Research Starter
Alkyl halides are a diverse group of organic compounds formed when one or more hydrogen atoms in a hydrocarbon are replaced by halogen atoms (fluorine, chlorine, bromine, or iodine). Their chemical…
Alkenes — Research Starter
Alkenes are a class of hydrocarbons characterized by the presence of at least one carbon-carbon double bond (C=C) in their molecular structure, making them unsaturated compounds. This unique feature…
Alkanes — Research Starter
Alkanes are a class of hydrocarbons consisting solely of carbon and hydrogen atoms, characterized by their saturated nature, meaning all carbon atoms are connected by single bonds. This saturation…
Alkaline Earth Metals — Research Starter
Alkaline earth metals are a group of six chemical elements located in group 2 of the periodic table, characterized by their high reactivity and the ability to form cations with a 2+ charge. The group…