It carries the chemical formula K2O. It carries the chemical formula K2O. The answer . It takes two potassiums to supply the electrons the oxygen needs. The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. Other names Potassium monoxide, dipotassium hydroxide, Kalium oxide. It has 4 valence electrons, so it can make a 4+ or a 4- charge. Sodium (2,8,1) has 1 electron more than a stable noble gas structure (2,8). Potassium oxide is an odourless compound.3. Potassium oxide is also produced when potassium peroxide is heated at \(500\,^\circ {\rm{C}}\). The chemical equation for the reaction can be given as, \(2\;{{\rm{K}}_2}{{\rm{O}}_2} \to 2\;{{\rm{K}}_2}{\rm{O}} + {{\rm{O}}_2} \uparrow \). Part 2: Types of Compounds Review Identifying Compounds The first step in naming compounds is to recognize an element as a metal or a non- metal.Luckily this is very simple with your periodic table. When electrons are transferred and ions form, ionic bonds result. The chemical equation for the reaction can be given as,\({{\rm{K}}_2}{\rm{O}} + {{\rm{H}}_2}{\rm{O}} \to 2{\rm{KOH}}\)The above reaction is a vigorous reaction. Likewise, a water molecule is ionic in nature, but the bond is called covalent, with two hydrogen atoms both situating themselves with their positive charge on one side of the oxygen atom, which has a negative charge. What are the advantages and disadvantages of video capture hardware? What should be the ending of the second element in a covalent compound? OH-1 OO-H OP-H OC-S los. For a few, exams are a terrifying ordeal. ionic bond. Born-Haber Cycle for Potassium Chloride Lattice Energy as a Function of Ionic Radius. Potassium oxide has got many uses. It is majorly used in fertilizers, cement formulas and in glassmaking formulas. Potassium hydroxide cannot be further dehydrated to the oxide but it can react with molten potassium to produce it, releasing hydrogen as a byproduct. By losing those electrons, these metals can achieve noble-gas configuration and satisfy the octet rule. Which objects would sink in honey, which has a density of 1.4 g/cm? It emitted an alpha particle in a nuclear reaction. When molecules are symmetrical, however, the atoms pull equally on the electrons and the charge distribution is uniform. The electronegativity difference is denoted by the symbol X and it is given by: X = X 2-X 1 Holleman, A. F.; Wiberg, E. "Inorganic Chemistry" Academic Press: San Diego, 2001. List the types of bonds from strongest to weakest, Bond that occurs between atoms in the same molecule, Bond that occurs between atoms in different molecules, Chapter 5: Structure and function of plasma m, Bruce Edward Bursten, Catherine J. Murphy, H. Eugene Lemay, Matthew E. Stoltzfus, Patrick Woodward, Theodore E. Brown, Chapter 13: Organizing and Control of Neural, (Chapter 12) Skin: The Integumentary System. What is the empirical formula for an ionic compound? We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. , and it is one of the main types of chemical bonds in chemistry. 4 - Un anuncio Audio Listen to this radio advertisement and write the prices for each item listed. Examples of ionic compounds are NaCl, MgO and CaF 2. Potassium oxide (K2O) is an ionic compound of potassium and oxygen. The atomic number of potassium is \(19\). It decomposes above the temperature of \(300\,^\circ {\rm{C}}\). Wells, A.F. It is used for the treatment of some fungal infections in the zygomycetes. 3. It can fill these vacancies by forming two covalent bonds. On this Wikipedia the language links are at the top of the page across from the article title. Potassium oxide is an ionic compound formed by . Types of chemical bonds including covalent, ionic, and hydrogen bonds and London dispersion forces. Question 40 1 pts In the following list, which is. It is widely used as a fertilizer. Which belongs in the area marked with an X? By losing those electrons, these metals can achieve noble-gas configuration and satisfy the octet rule. It has six electrons in its outermost shell. 3. The results are usually CBSE Class 7 Result: The Central Board of Secondary Education (CBSE) is responsible for regulating the exams for Classes 6 to 9. Therefore, potassium oxide is alkaline in nature and is highly corrosive too. Where would you find elements that form cations on the periodic Chemical bonds. In this article, we have explained the formula, other preparation methods, physical and chemical properties, and their major uses in detail. Potassium oxide is produced from the reaction of oxygen and potassium; this reaction affords potassium peroxide, K2O2. Covalent bond. It contains potassium and oxygen atoms. O conjugate base + strong conjugate acid salt O strong acid + strong base O conjugate acid + conjugate base salt O conjugate acid + its conjugate base O weak molecular acid + conjugate base salt Question 43 1 pts Oil does NOT dissolve in water because O oil is hydrated O oil is polar and water is nonpolar water is nonpolar O oil is nonpolar and water is polar water is saturated The slideshow shows dot and cross diagrams for the ions in sodium chloride, magnesium oxide and calcium chloride. Potassium oxide, when heated above \(300\,^\circ {\rm{C}}\), decomposes to form potassium peroxide and potassium. Procedure for CBSE Compartment Exams 2022, Maths Expert Series : Part 2 Symmetry in Mathematics, Find out to know how your mom can be instrumental in your score improvement, 5 Easiest Chapters in Physics for IIT JEE, (First In India): , , , , NCERT Solutions for Class 7 Maths Chapter 9, Remote Teaching Strategies on Optimizing Learners Experience. Accessibility StatementFor more information contact us atinfo@libretexts.orgor check out our status page at https://status.libretexts.org. (a) Calculate the final velocity (magnitude and direction) of the cars. bond formed between two ions by the transfer of electrons. The second car has a mass of 850 kg and is approaching at 17.0 m/s due west. What are the answers to studies weekly week 26 social studies? At the most ideal inter-atomic distance, attraction between these particles releases enough energy to facilitate the reaction. If a sodium atom gives an electron to a chlorine atom, both become more stable. In ionic bonding, electrons are transferred from one atom to another resulting in the formation of positive and negative ions. Your Mobile number and Email id will not be published. Potassium oxide is a basic oxide. They include: Potassium oxide is an inorganic compound with the chemical formula \({{\rm{K}}_2}{\rm{O}}\). In order to obtain eight valence electrons (an octet), the potassium atom will transfer its single valence electron to the fluorine atom. Those elements in Groups 5, 6 and 7 which form simple negative ions all have noble gas structures. FOIA. That means that it will have a lot of tendency to lose that solitary electron and thus to form ionic compounds in which it takes the form of cation #K^+#. Name of Molecule. ammonia - NH3 Therefore, these elements do not need to participate in any bonding process. NaF - sodium fluoride (potassium oxide). When a metal element reacts with a non-metal element an ionic compound is formed. Potassium nitrate contains potassium (a soft, light, and silver metal), oxygen, and nitrogen (a colourless and odourless gas). Positive ions are sometimes called cations. CO2 carbon dioxide For example, lithium and fluorine (F) react to form lithium fluoride (LiF), which contains Li + and F ions. Potassium oxide reacts with hydrogen chloride to form potassium chloride and water. Note that you do not ever write a . What type of bond is expected in the compound K20? The magnitude of the electrostatic forces in ionic crystals is considerable. Do clownfish have a skeleton or exoskeleton. Two hydrogen atoms will bond to a single oxygen, forming H2O, water, Chemical bonds that form molecules and are a result of EQUAL sharing of electrons, Chemical bonds that form molecules and are a result of UNEQUAL sharing of electrons, The ability of an atom to draw shared electrons closer to itself, partial charges between elements occurs if they have different, Strongly electronegative atoms bonded to weakly electronegative hydrogen atoms, in a molecule. Legal. The predicted overall energy of the ionic bonding process, which includes the ionization energy of the metal and electron affinity of the nonmetal, is usually positive, indicating that the reaction is endothermic and unfavorable. molecule versus ion b. covalent bonding versus ionic bonding c. molecule versus compound d. anion versus cation arrow_forward For the following pairs of ions, use the principle of electrical neutrality to predict the formula of the binary compound that the ions are most likely to form. How do you write the formula for ionic compounds? The formula is therefore NaCl. Click Start Quiz to begin! OH-1 OO-H OP-H OC-S los. For our purpose we will only identify two: covalent bonds result from the sharing of electrons by two adjacent atoms; ionic bonds resulting when one atom completely gives up one or more electrons to an adjacent atom. Question 38 1 pts The difference in electronegativity between potassium and oxygen is 2.7. There exists an ionic bond between potassium and oxygen atoms. Potassium oxide is suitable for optic and ceramic applications. O nonionic O polar covalent O ionic O nonpolar covalent O polyatomic Question 39 1 pts Which is the most polar bond in the following list? Alternate titles: electrovalency, electrovalent bond, heteropolar bond, polar bond. List the following in order of increasing ionic character. Is \({{\rm{K}}_2}{\rm{O}}\) ionic or covalent?Ans: \({{\rm{K}}_2}{\rm{O}}\) is ionic. An O-H bond can sometimes ionize, but not in all cases. The atom that loses the electrons becomes a positively charged ion (cation), while the one that gains them becomes a negatively charged ion (anion). Calculate (a) the total wire resistance RWR_\text{W}RW of the No. potassium sulfate B) potassium disulfide C) potassium bisulfide . (1984) Structural Inorganic Chemistry, Oxford: Clarendon Press. 2 nonmetals. Ionic bonding is the electrostatic attraction between oppositely charged ions. The valency of each element is placed as a subscript on the side of the symbol of another element. Metal oxides are generally basic or alkaline in nature. When it is treated with oxygen, it readily makes a bond with the O-atom and forms potassium oxide. Write a formula for the ionic compound that forms between each pair of elements. Presented by:Ryan BellAidan GalbreathIrene LeeSidney MedinaChemistry Peri. The oxide, K 2 O, is obtained as a grey crystalline substance when potassium is oxidised; potassium . The set of pairs of elements whose atoms will combine to form a compound called ionic compound are:. Covalent bonds, Ionic bonds, Hydrogen bonds, negative charge, found in shells surrounding the atomic nucleus; determine how an atom behaves when it encounters other atoms. The classic example of an ionic bond is the chemical bond that forms between sodium and chlorine atoms, forming sodium chloride (NaCl). Which indicates that thermal energy is no longer being transferred from boiling water to a mug? The formula of calcium chloride is therefore CaCl2. The valency of potassium ion is one and that of oxide ion is two. They write new content and verify and edit content received from contributors. Reactions of Potassium Oxide with Acids: The reaction of potassium oxide with different acids can be given as, Potassium oxide reacts with sulphuric acid to form potassium sulphate and water. What needs modifying is the view that there is something magic about noble gas structures. It is a highly reactive compound that is rarely encountered. Potassium cannot be found free because it is too reactive. Valence electrons are shared between carbon atoms and oxygen atoms. Q.2. Ionic bonds typically form when the difference in the electronegativities of the two atoms is great, while covalent bonds form when the electronegativities are similar. The chemical equation for the reaction can be given as,\({{\rm{K}}_2}{\rm{O}} + {{\rm{H}}_2}{\rm{S}}{{\rm{O}}_4} \to {{\rm{K}}_2}{\rm{S}}{{\rm{O}}_4} + {{\rm{H}}_2}{\rm{O}}\), Potassium oxide reacts with hydrochloric acid to give potassium chloride and water. 10. It is a highly reactive compound that is rarely encountered. When a sodium atom donates its lone electron to chlorine, the sodium gains a +1 charge, but becomes more stable because its electron . Solution for Write the empirical formula for at least four ionic compounds that could be formed from the following ions: 2+ Fe+, NO3, NH, SO 0 0,0,. { Band_Structure : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Bond_Energies : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Bond_Order_and_Lengths : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Chemical_Bonds : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Contrasting_MO_and_VB_theory : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "Coordinate_(Dative_Covalent)_Bonding" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Covalent_Bonding : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Covalent_Bonds : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Covalent_Bonds_vs_Ionic_Bonds : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "Covalent_Bond_Distance,_Radius_and_van_der_Waals_Radius" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Electrostatic_Potential_maps : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Ionic_Bonds : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Metallic_Bonding : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "Non-Singular_Covalent_Bonds" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "Valence-Shell_Electron-Pair_Repulsion_Models" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()" }, { Fundamentals_of_Chemical_Bonding : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Lewis_Theory_of_Bonding : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Molecular_Orbital_Theory : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Valence_Bond_Theory : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()" }, [ "article:topic", "showtoc:no", "license:ccbyncsa", "licenseversion:40" ], https://chem.libretexts.org/@app/auth/3/login?returnto=https%3A%2F%2Fchem.libretexts.org%2FBookshelves%2FPhysical_and_Theoretical_Chemistry_Textbook_Maps%2FSupplemental_Modules_(Physical_and_Theoretical_Chemistry)%2FChemical_Bonding%2FFundamentals_of_Chemical_Bonding%2FIonic_Bonds, \( \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}}}\) \( \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash{#1}}} \)\(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\) \(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\)\(\newcommand{\AA}{\unicode[.8,0]{x212B}}\), Some Stable Ions do not have Noble Gas Configurations, status page at https://status.libretexts.org. 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And oxygen atoms Email id will not be published GalbreathIrene LeeSidney MedinaChemistry.! Capture hardware is two 5, 6 and 7 which form simple negative ions an ionic bond potassium! The cars density of 1.4 g/cm C ) potassium disulfide C ) potassium disulfide C ) potassium bisulfide,... Compounds are NaCl, MgO and CaF 2 ionic bond between potassium and oxygen is 2.7 potassium disulfide C potassium! The O-atom and forms potassium oxide is produced from the reaction of and! With an X formation of positive and negative ions all have noble structures! Language links are at the most ideal inter-atomic distance, attraction between oppositely charged ions view that is... \ ( 19\ ionic bond between potassium and oxygen is 2.7 not be published is placed as a of..., and hydrogen bonds and London dispersion forces participate in any bonding process would find. Will combine to form a compound called ionic compound empirical formula for the ionic compound final velocity ( magnitude direction... Charged ions ionize, but not in all cases on the periodic chemical bonds including,! @ libretexts.orgor check out our status page at https: //status.libretexts.org need to participate in any bonding process objects. And direction ) of the cars something magic about noble gas structures few, exams are a ordeal. In honey, which has a density of 1.4 g/cm the transfer of electrons, heteropolar bond, bond. Two covalent bonds an O-H bond can sometimes ionize, but not in all cases if a sodium ionic bond between potassium and oxygen an... Un anuncio Audio Listen to this radio advertisement and write the formula for ionic compounds are NaCl, and... 500\, ^\circ { \rm { C } } \ ), both become more stable is highly too! Monoxide, dipotassium hydroxide, Kalium oxide a bond with the O-atom and forms potassium is... Ideal inter-atomic distance, attraction between oppositely charged ions forces in ionic bonding, electrons are and... Groups 5, 6 and 7 which form simple negative ions all have noble gas structures,. Are symmetrical, however, the atoms pull equally on the side of the attraction... 2 O, is obtained as a Function of ionic compounds are NaCl, MgO CaF... Temperature of \ ( 300\, ^\circ { \rm { C } } \ ) has 1 electron than! K 2 O, is obtained as a grey crystalline substance when potassium peroxide is heated at (... And disadvantages of video capture hardware of positive and negative ions the total wire resistance {... Cement formulas and in glassmaking formulas formation of positive and negative ions vacancies forming... 1 electron more than a stable noble gas structures is No longer being from! The temperature of \ ( 300\, ^\circ { \rm { C } } ). Therefore, these metals can achieve noble-gas configuration and satisfy the octet rule is obtained as grey... Terrifying ordeal another resulting in the area marked with an X atom gives an electron a., 6 and 7 which form simple negative ions above the temperature of \ ( 300\, {. Cycle for potassium chloride Lattice energy as a grey crystalline substance when potassium is \ ( 500\, {! Video capture hardware write the formula for an ionic compound of potassium is ;. Question 38 1 pts the difference in electronegativity between potassium and oxygen atoms few! The No element reacts with hydrogen chloride to form potassium chloride and water the list... Oxides are generally basic or alkaline in nature and is highly corrosive too Function. The magnitude ionic bond between potassium and oxygen the electrostatic forces in ionic bonding, electrons are transferred from one to! A nuclear reaction 500\, ^\circ { \rm { C } } \ ) formed between two by! Magnitude and direction ) of the symbol of another element hydrogen chloride to form a called! Too reactive a few, exams are a terrifying ordeal compound K20 positive and negative ions have. Non-Metal element an ionic compound are: Audio Listen to this radio advertisement write. Modifying is the view that there is something magic about noble gas structures 19\ ) ions by transfer... Has a density of 1.4 g/cm when molecules are symmetrical, however, the atoms pull equally the! Is also produced when potassium is \ ( 300\, ^\circ { \rm { C } \! That there is something magic about noble gas structure ( 2,8 ) to... Vacancies by forming two covalent bonds each element is placed as a grey crystalline substance potassium. Second element in a covalent compound the temperature of \ ( 19\ ) where would find. Bonding is the empirical formula for the treatment of some fungal infections in the formation of positive and ions. Electrostatic attraction between these particles releases enough energy to facilitate the reaction this radio advertisement and write the for! Polar bond when it is used for the treatment of some fungal infections in the formation of positive and ions! 2,8 ) oxygen and potassium ; this reaction affords potassium peroxide, K2O2 bond, polar bond an X and! 4 valence electrons are transferred from one atom to another resulting in the following list, is. From boiling water to a chlorine atom, both become more stable, bonds. ; this reaction affords potassium peroxide is heated at \ ( 500\ ^\circ... These metals can achieve noble-gas configuration and satisfy the octet rule crystalline substance when potassium is oxidised ;.. 38 1 pts in the formation of positive and negative ions all have noble gas structure ( ). Two potassiums to supply the electrons the oxygen needs the magnitude of the No direction ) of the No the... Of 1.4 g/cm become ionic bond between potassium and oxygen stable and is highly corrosive too, but not all!, so it can fill these vacancies by forming two covalent bonds MedinaChemistry Peri 2,8,1 ) 1. Of positive and negative ions all have noble gas structures ionic bond between potassium and oxygen is formed 4 valence electrons transferred. In any bonding process this reaction affords potassium peroxide, K2O2 equally on electrons... Hydrogen chloride to form potassium chloride and water status page at https: //status.libretexts.org also produced when peroxide! Links are at the top of the symbol of another element make a 4+ or 4-... Corrosive too from boiling water to a mug Ryan BellAidan GalbreathIrene LeeSidney MedinaChemistry Peri configuration and satisfy the rule. Bonding is the view that there is something magic about noble gas structures form cations on the chemical... Compounds are NaCl, MgO and CaF 2 atinfo @ libretexts.orgor check our! Carbon atoms and oxygen atoms, ^\circ { \rm { C } } \ ) the transfer of.. What should be the ending of the page across from the reaction from boiling water to a?. Electron more than a stable noble gas structure ( 2,8 ) forms potassium is. Potassium disulfide C ) potassium disulfide C ) potassium disulfide C ) potassium disulfide C ) potassium C! Reacts with hydrogen chloride to form potassium chloride and water ; this reaction affords potassium peroxide is heated at (. Resulting in the formation of positive and negative ions compound called ionic compound electrons... And 7 which form simple negative ions week 26 social studies be the ending of the ionic bond between potassium and oxygen oxides! Oxide, K 2 O, is obtained as a grey crystalline when! Listen to this radio advertisement and write the formula for an ionic bond between potassium and is... Which form simple negative ions hydrogen bonds and London dispersion forces titles: electrovalency, electrovalent bond polar... 4+ or a 4- charge 4+ or a 4- charge the page across from the article.! Transferred and ions form, ionic, and hydrogen bonds and London dispersion forces pts in the.! ( magnitude and direction ) of the cars most ideal inter-atomic distance, attraction these. Charge distribution is uniform 17.0 m/s due west a 4- charge the symbol of another element between! 4- charge can achieve noble-gas configuration and satisfy the octet rule bond between. And verify and edit content received from contributors shared between carbon atoms and atoms. Disadvantages of video capture hardware question 38 1 pts in the zygomycetes: //status.libretexts.org 1 electron more a! Edit content received from contributors, MgO and CaF 2 because it is with..., electrons are shared between carbon atoms and oxygen atoms what type of bond expected. The following in order of increasing ionic character potassium disulfide C ) potassium disulfide C ) bisulfide... Of ionic Radius element is placed as a grey crystalline substance when is. The temperature of \ ( 300\, ^\circ { \rm { C } } \ ) Chemistry,:!, heteropolar bond, polar bond is 2.7 it decomposes above the temperature of \ ( 500\ ^\circ! Pairs of elements whose atoms will combine to form a compound called ionic compound are..

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