oxyanions definition
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- Freebase(0.00 / 0 votes)Rate this definition: Oxyanion. An oxyanion or oxoanion is a chemical compound with the generic formula AxOy−. Oxoanions are formed by a large majority of the chemical elements. The formulae of simple oxoanions are determined by the octet rule.
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- A substance that oxidizes another substance Any chemical substance that has a tendency to accept electrons and thereby undergoing reduction themselves is known as an oxidisi…ng agent. An oxidizer is a compound that supplies its own oxygen and heat when in contact with organic compounds. These chemicals that can react vigorously and explode. Oxidizers are compounds which are capable of reacting with and oxidizing (i.e., giving off oxygen) other materials. A well known example of oxidation is the process we know as corrosion, where the metal reacts with air to form the metal oxides referred to as rust.
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Electron donor Electron donor. An electron donor is a chemical entity that donates electrons to another compound. It is a reducing agent that, by virtue of its donating electrons, is itself oxidized in the process. Typical reducing agents undergo permanent chemical alteration through covalent or ionic reaction chemistry.
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anion A negatively charged ion that is attracted to an anode (positively-charged electrode), in electrolysis. Anions are usually shown as the second group in simple inorganic molecules, thus Cl- is the anion when common salt (NaCl) is dissociated in solution. Na+ is the CATION.
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Oxidation Definition and Example in Chemistry By Anne Marie Helmenstine, Ph.D. Oxidation Definition: Oxidation is the loss of electrons during a reaction by a molecule, atom or ion. Oxidation occurs when the oxidation state of a molecule, atom or ion is increased. An older meaning of oxidation was when oxygen was added to a compound. Example: Iron combines with oxygen to form iron oxide or rust.
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Oxidizing agent In chemistry, an oxidizing agent (oxidant, oxidizer) is a substance that has the ability to oxidize other substances (cause them to lose electrons). Common oxidizing agents are oxygen, hydrogen peroxide and halogens.
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oxidation (ŏk'sĭ-dā'shən) The chemical combination of a substance with oxygen. A chemical reaction in which an atom or ion loses electrons, thus undergoing an increase in valence. Removing an electron from an iron atom having a valence of +2 changes the valence to +3. Compare reduction.
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oxidizing agent oxidant, oxidiser, oxidizer. 1  chemical agent - an agent that produces chemical reactions. 2  hydrogen peroxide, peroxide - a viscous liquid with strong oxidizing properties; a powerful bleaching agent; also used (in aqueous solutions) as a mild disinfectant and (in strong concentrations) as an oxidant in rocket fuels.
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oxidation-reduction Medical Definition of oxidation–reduction. : a chemical reaction in which one or more electrons are transferred from one atom or molecule to another—called also oxidoreduction, redox.
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Oxy- Sentence Examples Compounds containing an oxy in addition to an aldehydic or ketonic group) undergo both condensation and oxidation when treated with phenylhydrazine, forming compounds known as osozones; these are of great importance in characterizing the sugars (q.v.).
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oxidation state the degree of oxidaton of an atom or molecule, represented by a positive or negative number; the number of electrons theoretically gained or lost in converting an atom or molecule to its elemental form; also called oxidation state.
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oxidation oxidation. 1. A substance is oxidized if it gains oxygen, loses hydrogen, or loses electrons. 2. A chemical reaction involving loss of electrons. In the human body, oxidation occurs when breathed-in oxygen combines with molecules in food to produce energy, water, and carbon dioxide.
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What are cations and anions? An anion is ion(an ion is a particle or group of particle which act as single particle) which has negative charge due to addition of an negativity charged particle(mostly electron). On the other hand,a cation is a positively charged particle due to loss of an electron .
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Oxidizing agent Oxidizing agent. In chemistry, an oxidizing agent (oxidant, oxidizer) is a substance that has the ability to oxidize other substances (cause them to lose electrons). Common oxidizing agents are oxygen, hydrogen peroxide and the halogens. In one sense, an oxidizing agent is a chemical species that undergoes a chemical reaction that removes one or more electrons from another atom. In that sense, it is one component in an oxidation–reduction (redox) reaction.
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Contents: Anion vs Cation Anion vs. Cation Diffen › Science › Chemistry An ion is an atom or group of atoms in which the number of electrons is not equal to the number of protons, giving it a net positive or negative electrical charge. An anion is an ion that is negatively charged, and is attracted to the anode (positive elect
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Oxidizing agent Dangerous goods label for oxidising agents. In chemistry, an oxidizing agent (oxidant, oxidizer) is a substance that has the ability to oxidize other substances (cause them to lose electrons). Common oxidizing agents are oxygen, hydrogen peroxide and halogens.
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- An ion carrying a negative charge owing to a surplus of electrons. Anions in the body include bicarbonate, chloride, phosphate, sulfate, certain organic acids, and certain protein compounds.
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Anion: Definition & Examples Since anions are negatively charged particles, then this means that the number of electrons is greater than the number of protons. This may occur when the atom receives an electron from another atom or molecule. This negative charge will now allow anions to attract and interact with positive ions (cations).
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cation cation cat·i·on (kāt'ī'ən) n. An ion or group of ions having a positive charge and characteristically moving toward the negative electrode in electrolysis.
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Anion: Definition & Examples Video: Anion: Definition & Examples. Ions are charged particles that are important for biological and chemical systems. Anions are ions that have a negative charge. This article discusses anions, their properties, and examples of anions in chemistry and nature.
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Reducing agent From Wikipedia, the free encyclopedia. A reducing agent (also called a reductant or reducer) is an element or compound that loses (or donates) an electron to another chemical species in a redox chemical reaction. Since the reducing agent is losing electrons, it is said to have been oxidized.
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Contents: Anion vs Cation An ion is an atom or group of atoms in which the number of electrons is not equal to the number of protons, giving it a net positive or negative electrical charge. An anion is an ion that is negatively charged, and is attracted to the anode (positive electrode) in electrolysis.
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Anion vs. Cation Anion vs. Cation Ions result from atoms or molecules that have gained or lost one or more valence electrons, giving them a positive or negative charge. Those with a negative charge are called anions and those with a positive charge are called cations. These opposing charges frequently result in ionic bonds with one another. An anion is an ion that carries a negative charge, causing it to migrate to the anode (positive electrode) in electrolysis. It has more electrons than protons, resulting in the negative charge. Anions are nonmetals. A cation is an ion that carries a positive charge, causing it to migrate to the cathode (negative electrode) in a electrolysis. It has more protons than electrons, resulting in the positive charge. Cations are metals.
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- The process of oxidizing; the addition of oxygen to a compound with a loss of electrons; always occurs accompanied by reduction. Classified under: Nouns denoting natural processes. Synonyms: oxidation; oxidisation; oxidization.
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abeyance Definition of abeyance. 1  1 : a state of temporary inactivity : suspension —used chiefly in the phrase in abeyance … new contracts on all but one existing mine … are in abeyance pending the outcome of a government inquiry to be carried out into Australia's role in the nuclear fuel cycle.
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anion noun, Physical Chemistry. 1. a negatively charged ion, as one attracted to the anode in electrolysis. 2. any negatively charged atom or group of atoms (opposed to cation). Origin of anion.