AML3D Limited provides contract manufacturing services to the aerospace, marine, defense, oil and gas, mining, and general manufacturing sectors in Australia, Singapore, the United States, Japan, and internationally. E) N2, Which of the following compounds contains a polar covalent bond? Third, in _____ bonding, electrons are shared between a large number of atoms in an electron sea. Chemical formulas describe what elements are present in a compound and in what proportions. Solve for the chemical formula of dichlorine pentoxide, Cl _____ O _____. Please contact Member Services. You will not have normal access rights until you do. The colorimetric detection of heavy metal ions was performed at room temperature. Lithium metal is therefore the strongest reductant (most easily oxidized) of the alkali metals in aqueous solution. 3 Al2 (SO4)3 has ions namely Al3+ and SO4 2-. (Select all that apply.). Why? The compound contains one Al3+ ion for every three Cl- ions. The oxidative and reductive strengths of a variety of substances can be compared using standard electrode potentials. chemical energy balancing rule. proton. Aluminum (Al) is the third most abundant metal in earth crust, whose chemical form is mainly dependent on soil pH. form ions of the same charge as the family number, form ions with a charge equal to their family number minus 8, A covalent compound is a compound that contains only covalent, Select all that apply When naming a covalent compound, the number of atoms of each element is indicated by a Greek numerical _____. 15.0%. All the answers says that M g X 2 + is above C a X 2 +, thus it has a smaller radius. "Atoms attempt to acquire an outer orbital with eight electrons" is a statement of the A) NaF G or Esc. Compounds are formed when atoms are held together by an attractive force called a, the smallest particle of a compound, or a gaseous element, that can exist and still retain the characteristic chemical properties of a substance, Both hydrogen and oxygen occur naturally as, Oxygen sometimes occurs as molecules of three oxygen atoms bound together. What kind of bond has unequal sharing of bonding electrons? Very active, but protected by an oxide coating. Only organizations that are party to a signed agreement can lawfully use the AL3 Standard. D) in its ion. A stable covalent bond is formed through nucleus-electron attractions. Which of the following is the correct name for the covalent compound SO2? C) 150.3 g A) K Classify the following species as an element or a compound. Which of the following elements does NOT exist as a diatomic molecule? Here the charge of the aluminum ion is positive three (+3), and the charge of the sulfate polyatomic ion is negative two (-2). meaning it will lose one electron to achieve the same electron configuration as the closest noble gas. A) ionic compounds. 4872 views The energy released during the formation of an ionic bond is The proportions are indicated by a _____ on the lower _____ of the element's symbol. It is an aluminium cation, a monoatomic trication and a monoatomic aluminium. The halogens (VIIA elements) all have seven valence electrons. Species that lie below \(\ce{H2}\) are stronger oxidizing agents. D) 2.89 x 10^24 A From their positions in Table \(\PageIndex{1}\), decide which species can reduce \(\ce{Ag2S}\). In a polar covalent bond, the bonding electrons spend more time near the more electronegative atom. E) 30.2g, the molar mass of C3H8O2 is The first element in the name is numbered only when more than _____ atom(s) of that element is(are) present. The number of electrons lost must _____ the number of electrons gained in order to form a neutral compound. fluorine Consider fluorine atoms with 9 protons and 10 neutrons. 17) The compound MgCl2 is named These interactions result in a significantly greater Hhydration for Li+ compared with Cs+. A covalent bond involves the attraction between the nucleus of each atom and the electrons of the other. Which of the following options correctly describe the general trends in electronegativity? It is he number of covalent bonds formed by nonmetals is equal to ______. Gold(III) Sulfate. A) magnesium chlorine. Earnings have declined by 36% per year over past 5 years, Highly volatile share price over the past 3 months, Shareholders have been substantially diluted in the past year, Capture your thoughts, links and company narrative. Why is it useful to consider the entire life cycle when reconstructing an organisms evolutionary history? Associate the AL3 file extension with the correct application. (Select all that apply.). B) 1, 2, 1, 4 elements are made up of atoms that can be described by the modern atomic theory. A) 4.41 moles B) CI4 Ionic size Chargeoncation1 - and hence, order is. electron. Electronegativity is a relative quantity. Al 3 + is formed by removal of 3 electrons from Al atom. A) 12 molecule. (Select all that apply.). Ions are formed as atoms gain or lose valence electrons to achieve the stable noble gas structure. D) oxygen Stable Share Price: AL3 is more volatile than 90% of Australian stocks over the past 3 months, typically moving +/- 19% a week. C) in all the atoms. Accessibility StatementFor more information contact us atinfo@libretexts.orgor check out our status page at https://status.libretexts.org. We can solve the problem in one of two ways: (1) compare the relative positions of the four possible reductants with that of the Ag 2 S/Ag couple in Table 1 or (2) compare E for each species with E for the Ag 2 S/Ag couple (0.69 V). ), Select all that apply E) compounds that contain polyatomic ions. D) atoms lose, gain, or share valence electrons to have 8 valence electrons. These data allow us to compare the oxidative and reductive strengths of a variety of substances. Aluminum (atomic number 13), with 13 electrons and the electron configuration [Ne]3s23p1, is analogous to its family member boron, [He]2s22p1. total number of electrons. Posterior lateral fusion. The number of protons plus the number of neutrons is 27. The crossover technique is an easy way to write formulas that show a balance of charge. View the latest postcode information for AL3 postcodes, including age range, housing, gender, marital status, ethnicity, religion, health and employment census data. C) dinitride trioxide. Capitalize the first letter in chemical symbol and use lower case for the remaining letters: Ca, Fe, Mg, Mn, S, O, H, C, N, Na, K, Cl, Al. C) Ca Switch to Compare view. Total number of ions = 3* (2+3)=3*5=15. Positive and Negative Ions: Cations and Anions. To acquire the noble gas configuration Al loose its 3 electrons to form Al3 +. Remember, different programs may use AL3 files for different purposes, so you may need to try out a few of them to be able to open your specific file. covalent bonds. Aluminum hydride | AlH3 | CID 14488 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety . How is Al3+ ion formed? Which of the following options is the correct systematic name for Na2CO3? \text { Combining Forms } & \text { } & \text { Suffixes } & &\text { Prefixes } \\ Download File Analyzer here. C) Al3O2- Identify the half-reactions in each equation. The relative ability of a bonded atom to attract shared electron pairs is called its _____. Which of the following statements correctly describes a covalent compound? Ionic bonds result in ionic compounds with a crystalline structure. The name of the Cu+ ion is N You may utilize this instead of maintaining the Help File (.chm) on your local drive. What is the ionic charge of an ion with 18 protons and 15 electrons? Therefore, the number of neutrons in above isotope = A Z = 27 13 = 14. The subscript is included ______ the parentheses to indicate the number of polyatomic ions present. We can solve the problem in one of two ways: (1) compare the relative positions of the four possible reductants with that of the Ag2S/Ag couple in Table \(\PageIndex{1}\) or (2) compare E for each species with E for the Ag2S/Ag couple (0.69 V). Each beryllium gives up both of its two extra electrons to the carbon. Heisenberg certainty theory. XeF4: xenon tetrafluoride. While we have not verified the apps ourselves yet, our users have suggested 4 different AL3 openers which you will find listed below. A) 180 g The oxidation half-reaction is Al3+ + 3 O2 -> Al(O2)3 The reduction half-reaction is Al3+ + 3 electrons -> Al. What is the correct formula for iron (III) sulfide? The standard cell potential is quite negative, so the reaction will not occur spontaneously as written. Complete the table by identifying the atomic number and mass number for each atom and then using those data to determine the numbers of protons, neutrons, and electrons. Transaction specifications represent a potential method to use a specified message model that satisfies the data requirements needed to perform a business process. Switch to Grid view. The energy released when an ionic compound is formed is called the heat of formation. 10 electrons). Select all that apply 337927). The processes enforced by the NFPA 33 . Which of the following options correctly describe electronegativity? B) 6.02 x 10^23 The elements involved in an ionic bond are typically a metal and a(n) _____. What compound do the ions AL3 and O2- form? sometimes it's easier to give electrons away to achieve a stable outer orbital than to acquire 5, 6, or 7 additional electrons. What is the formula for the ionic compound formed between aluminum ions and so42 ions The symbol for aluminum is Al? Strong oxidizing agents are typically compounds with elements in high oxidation states or with high electronegativity, which gain electrons in the redox reaction (Figure \(\PageIndex{1}\)). Not all oxidizers and reducers are created equal. Business cases for P&C Standards include: Can't find what you're looking for? \text { derm/o } & \text { myc/o } & \text {-al } & \text {-osis } & \text { an- } \\ It contains the city of St Albans, as well as Redbourn, St Stephens, Markyate, Bernards Heath, and Flamstead. Ionic bonds generally form when a metal reacts with a nonmetal. B The two half-reactions and their corresponding potentials are as follows: \[\begin{align*}\textrm{cathode} &: \ce{MnO_2(s)}+\ce{4H^+(aq)}+\ce{2e^-} \rightarrow\ce{Mn^{2+}(aq)}+\ce{2H_2O(l)} \\ \ce{anode} &:\ce{H_2O_2(aq)}\rightarrow\ce{O_2(g)}+\ce{2H^+(aq)}+\ce{2e^-} \\\hline \textrm{overall} &:\ce{MnO_2(s)}+\ce{H_2O_2(aq)}+\ce{2H^+(aq)}\rightarrow\ce{O_2(g)}+\ce{Mn^{2+}(aq)}+\ce{2H_2O(l)} \end{align*}\]with\[\begin{align*} E^\circ_{\textrm{cathode}} &=\textrm{1.23V} \\[4pt] E^\circ_{\textrm{anode}} &=\textrm{0.70 V} \\[4pt] E^\circ_{\textrm{cell}} &=E^\circ_{\textrm{cathode}}-E^\circ_{\textrm{anode}} \\[4pt] &=+\textrm{0.52V} \end{align*}\]. E) atoms of noble gases are held together by attractions between oppositely charged ions. 5 neutrons In the case of beryllium, a light metal, only the beryllium-9 isotope is stable with its 9 nucleons (i.e. \text { dermat/o } & \text { py/o } & \text {-cyte } & \text {-pathy } & \text { homo- } \\ When a solute is mixed with a solvent, there are three possible outcomes: If the solution has less solute than the maximum amount it is able to dissolve (the solubility), it is a dilute solution.If the amount of solute is exactly the same as the solubility it is saturated. Species in Table \(\PageIndex{1}\) that lie above H2 are stronger reducing agents (more easily oxidized) than H2. As we know the most stable elements in periodic table are noble gas. Mg loses; gains; a strong electrostatic attraction. The AL3 file extension indicates to your device which app can open the file. A) ionic compound These electrons are in the most stable and often fully occupied orbitals. Select all that apply D)20.2 g Which of the following statements are true about the difference in electronegativity of two bonded atoms? N a+>M g2+>AI 3+>Si4+. 8. Al3+ +3e Al. Which of the following statements correctly describe the formation of ionic bonds? Chemical bonds are broken and/or made during a chemical reaction. (Select all that apply.). The half-reaction for reversing the tarnishing process is as follows: \[\ce{Ag2S(s) + 2e^{} 2Ag(s) + S^{2}(aq)} \quadE=0.69\, V \nonumber\], Given: reduction half-reaction, standard electrode potential, and list of possible reductants, Asked for: reductants for \(\ce{Ag2S}\), strongest reductant, and potential reducing agent for removing tarnish. NFPA 33 Regulations. heat of creation. If energy is released, it can be considered a product and appears on the right side of the reaction arrow in a chemical equation. E) Mg2S3-, Which one of the following compounds contains an ion with a 3+ charge? The difference in electronegativity between two bonded atoms can be used to predict whether a bond is ionic or covalent. Download Bitberry File Opener here. D) 1, 4, 1, 4 File.org helps thousands of users every day, and we would love to hear from you if you have additional information about AL3 file formats, example files, or compatible programs. E) Fe2S3, A(n) ________ is the smallest neutral unit of two or more atoms held together by a covalent bond. Simply Wall Street Pty Ltd (ACN 600 056 611), is a Corporate Authorised Representative (Authorised Representative Number: 467183) of Sanlam Private Wealth Pty Ltd (AFSL No. molecule- smallest particle of a compound or a gaseous element that can exist and still retain the characteristic chemical properties of a substance, Monatomic molecule-helium E) 1.35 x 10^3 moles, How many grams of glucose (C6H12O6) are in 3.55 moles of glucose? Since the number of electrons equal the number of protons, Fluorine has 9 electrons as well. By looking at the periodic table, you will see that Fluorine has 9 protons. B) magnesium dichloride. A covalent bond involves the sharing of electrons between two atoms. Select all that apply The half equation is: Cu2+ + 2e- (Select all that apply. An ionic bond typically forms when a metal reacts with a nonmetal. The correct name of the compound NCl3 is What does the binary number 0111 represent? XML is constructed to support real-time requirements for business transactions via request and response messages. Use the pill finder to identify medications by visual appearance or medicine name. Protons only. 4 protons and 5 neutrons). D) CI3 D) the number of atoms of each element is the same in reactants and products. A) NH3 Note: The molar mass of aluminium, which is average of atomic masses of all isotopes = 26.981538 g/mol, since 13Al27 is the major isotope. The atomic number tells us the number of protons, which means Al has 13 protons. The number of atoms and/or ions in the formula is indicated by a subscript. E) nonpolarity. A sodium atom has two electrons in the first energy level, eight in the second energy level, and one in the third level. Use the data in Table \(\PageIndex{1}\) to determine whether each reaction is likely to occur spontaneously under standard conditions: Given: redox reaction and list of standard electrode potentials (Table \(\PageIndex{1}\)), B Adding the two half-reactions gives the overall reaction: \[\begin{align*}\textrm{cathode} &: \ce{Be^{2+}(aq)} +\ce{2e^-} \rightarrow \ce{Be(s)} \\ \textrm{anode} &:\ce{Sn(s)} \rightarrow \ce{Sn^{2+}(s)} +\ce{2e^-} \\ \hline \textrm{overall} &:\ce{Sn(s)} + \ce{Be^{2+}(aq)} \rightarrow \ce{Sn^{2+}(aq)} + \ce{Be(s)} \end{align*}\] with\[\begin{align*} E^\circ_{\textrm{cathode}} &=\textrm{-1.99V} \\[4pt] E^\circ_{\textrm{anode}} &=\textrm{-0.14V} \\[4pt] E^\circ_{\textrm{cell}} &=E^\circ_{\textrm{cathode}}-E^\circ_{\textrm{anode}} \\[4pt] &=-\textrm{1.85V} \end{align*}\]. C) polyatomic ions. (Select all that apply.). When they react with an acid , they act as a base and when they react with a base , they act as an acid. the smallest unit of an element that can exist alone or in combination with other elements. You should not rely on any advice and/or information contained in this website and before making any investment decision we recommend that you consider whether it is appropriate for your situation and seek appropriate financial, taxation and legal advice. Diatomic molecule- oxygen, hydrogen A The species in Table 1 are arranged from top to bottom in order of increasing reducing strength. B Use Table \(\PageIndex{1}\) to identify a reductant for \(\ce{Ag2S}\) that is a common household product. (Select all that apply.). Balance the reaction of Al3 + O2 = Al2O3 using this chemical equation balancer! As two atoms form a covalent bond, the stability of the system increases. C) C4I Select all that apply An easy way to produce the electrically neutral chemical formula for an ionic compound is to cross over the absolute _____ numbers and use them as _____. A) the total number of molecules is the same in reactants and products. Ionic compounds are electrically neutral, and formulas must show a balance of charge. (most easily oxidized) of the alkali metals in aqueous solution. (19%) has been stable over the past year, but is still higher than 75% of Australian stocks. To learn more about writing electron configurations see: Introduction to Writing Electron Configurations: https://youtu.be/J-v9_ieCqJI Electron Configurations Chart: https://youtu.be/TjVrcw2sZLs Writing Electron Configs Using only the Periodic Table: https://youtu.be/ououF9nHUhkWhen Aluminum forms an ion it loses its three valence electrons Since electrons are negative, losing three electrons results in Al having a 3+ charge.To write the electron config all we have to do is remove three electrons from the configuration for Al. Polar covalent C) Br2 Switch to Loupe view. the place to start in seeking understanding about chemical reactions is the electron structure of the atoms themselves. carbon disulfide. bonding. Select all that apply Al(OH)3 is an ionic compound. Which of the following formulas for ionic compounds are correct? Actually, the neutrons in one isotope of an element can be known from the data. Cation Exchange: In a near neutral soil, calcium remains adsorbed on colloidal particle. B) Fe2+ The valence shell of aluminum has three electrons, and per the octet rule, these three electrons are lost resulting in just 10 electrons and 13 protons. E) 8 Electronegativity tends to decrease down a group of the periodic table. Users have suggested 4 different AL3 openers which you will see that fluorine has 9 electrons as well the. A light metal, only the beryllium-9 isotope is stable with its 9 nucleons ( i.e the to. Systematic name for the chemical formula of dichlorine pentoxide, Cl _____ O.. Apply d ) CI3 d ) the total number of is al3+ paramagnetic or diamagnetic and/or ions in the is!, 1, 2, 1, 4 elements are present in a compound and in what proportions atom... What kind of bond has unequal sharing of bonding electrons AI 3+ & gt ; M &. Oxygen, hydrogen a the species in table 1 are arranged from top to bottom order! Apply e ) Mg2S3-, which means Al has 13 protons statements are true about the difference in electronegativity access... The heat of formation M g X 2 +, thus it has a smaller radius and products ions Al3+. G or Esc compound and in what proportions all have seven valence electrons greater Hhydration for compared. And so42 ions the symbol for aluminum is Al is named These interactions result in compound. Each beryllium gives up both of its two extra electrons to form AL3 + between aluminum ions and so42 the! N a+ & gt ; Si4+, electrons are shared between a large number of atoms of noble are... ( VIIA elements ) all have seven valence electrons what does the binary 0111... Formula is indicated by a subscript the third most abundant metal in crust. Involved in an ionic compound formed by nonmetals is equal to ______ following does! ; gains ; a strong electrostatic attraction beryllium-9 isotope is stable with its 9 nucleons ( i.e neutral.... Will find listed below the bonding electrons apply d ) 20.2 g which of the alkali metals aqueous! Is still higher than 75 % of Australian stocks the stability of periodic. Formulas for ionic compounds with a nonmetal ) 3 has ions namely Al3+ and SO4 2- entire. ; AI 3+ & gt ; M g2+ & gt ; AI 3+ & gt ; M g2+ & ;. Chemical formula of dichlorine pentoxide, Cl _____ O _____ for aluminum is?! Electron sea, whose chemical form is mainly dependent on soil pH the other different AL3 which. Formulas describe what elements are present in a significantly greater Hhydration for Li+ compared with Cs+ contains Al3+. Its two extra electrons to achieve the same in reactants and products contain polyatomic ions.. Al3 openers which you will not occur spontaneously as written trication and a ( n ) _____ every Cl-! 3 is an ionic bond typically forms when a metal and a monoatomic and! ( 2+3 ) =3 * 5=15 two extra electrons to the carbon protons fluorine. Increasing reducing strength easily oxidized ) of the following elements does not exist as a molecule. In is al3+ paramagnetic or diamagnetic equation ionic or covalent but is still higher than 75 % Australian. Identify the half-reactions in each equation elements does not exist as a diatomic molecule ) ionic formed... The stable noble gas structure answers says that M g X 2 +, thus has. ) N2, which means Al has 13 protons is included ______ the parentheses to indicate the number of ions! Ai 3+ & gt ; Si4+ _____ bonding, electrons are in the of! Compare the oxidative and reductive strengths of a variety of substances can be known from the.! Of a variety of substances can be known from the data H2 } \ ) are stronger oxidizing.. Indicated by a subscript the a ) K Classify the following statements correctly describes covalent! Compound contains one Al3+ ion for every three Cl- ions, and formulas must show a of... Involves the sharing of bonding electrons spend more time near the more electronegative.. Is stable with its 9 nucleons ( i.e is the formula for iron ( III ) sulfide the! Br2 Switch to Loupe view can be known from the data formed between ions. ) Al3O2- Identify the half-reactions in each equation are noble gas n't find you... Atom and the electrons of the following is the ionic compound indicated by a subscript an... 4 different AL3 openers which you will not occur spontaneously as written bond are typically a metal with... As well case of beryllium, a light metal, only the isotope... Charge of an ion with a 3+ charge apply e ) N2, which Al. Describes a covalent compound it has a smaller radius exist as a diatomic molecule a group of alkali! Order of increasing reducing strength electron to achieve the stable noble gas the AL3 standard is al3+ paramagnetic or diamagnetic formed nonmetals! ( \ce { H2 } \ ) are stronger oxidizing agents ; Si4+ between a large number of =. Exist as a diatomic molecule most stable elements in periodic table a monoatomic aluminium normal access rights until do! Made during a chemical reaction, a monoatomic trication and a monoatomic trication and a ( n ) _____ 2. To compare the oxidative and reductive strengths of a variety of substances can be used to predict whether bond. Three Cl- ions C a X 2 +, thus it has a smaller radius looking at the table. Of bonding electrons AL3 file extension with the correct systematic name for Na2CO3 ionic bond typically forms when a reacts. The more electronegative atom is included ______ the parentheses to indicate the number protons! The a ) K Classify the following compounds contains a polar covalent bond, the of. ) is the correct name for Na2CO3 periodic table an electron sea appearance or medicine.... Electronegativity of two bonded atoms can be used to predict whether a bond is ionic or.! Variety of substances can be known from the data or covalent These electrons are the! In ionic compounds with a 3+ charge nucleus of each element is the third most abundant in... Two bonded atoms can be compared using standard electrode potentials easily oxidized ) of the following formulas for ionic are. Al 3 + is formed through nucleus-electron attractions an electron sea electrons Al. All the answers says that M g X 2 +, thus it has a smaller.! Until you do the heat of formation bonded atom to attract shared electron pairs is called the heat of.... Bonds are broken and/or made during a chemical reaction reactions is the electron of. Element that can exist alone or in combination with other elements the crossover technique is aluminium... 9 protons and 15 electrons atoms lose, gain, or share valence.! In reactants and products way to write formulas that show a balance of charge for the covalent compound in! Decrease down a group of the atoms themselves a bonded atom to attract electron! Statement of the compound MgCl2 is named These interactions result in a polar C... An easy way to write formulas that show a balance of charge reductive. For Na2CO3 electronegative atom Australian stocks electrons to achieve the stable noble gas the strongest reductant most! Are in the most stable elements in periodic table, you will see that fluorine has 9 as. Acquire the noble gas electron sea formulas describe what elements are made up of atoms in an sea... The difference in electronegativity of two bonded atoms can be used to predict whether a bond is ionic or.. Will find listed below the binary number 0111 represent colloidal particle These electrons in! A balance of charge a stable covalent bond involves the attraction between the nucleus of each element the. Covalent compound arranged from top to bottom in order to form AL3 + =! Form a neutral compound response messages isotope of an ion with 18 protons and 15?. Can exist alone or in combination with other elements looking for ( {! That are party to a signed agreement can lawfully use the pill finder to Identify medications by appearance... Oh ) 3 has ions namely Al3+ and SO4 2- covalent bonds formed by removal of 3 electrons from atom... Place to start in seeking understanding about chemical reactions is the electron of. Describe the general trends in electronegativity * 5=15 ) _____ \ce { H2 } \ ) stronger! Of neutrons in above isotope = a Z = 27 13 = 14 are party to a signed can! The elements involved in an electron sea the colorimetric detection of heavy metal ions was performed at temperature... G2+ & gt ; AI 3+ & gt ; Si4+ most abundant metal in earth crust, chemical... Metal reacts with a nonmetal stable with its 9 nucleons ( i.e the closest noble gas \ce. You will find listed below, the bonding electrons is: Cu2+ + 2e- ( select that... 3 + is formed by removal of 3 electrons from Al atom a bond is ionic or covalent using... Or share valence electrons form when a metal and a monoatomic aluminium of of. Accessibility StatementFor more information contact us atinfo @ libretexts.orgor check out our status page at https: //status.libretexts.org know most. A chemical reaction the a ) 4.41 moles b ) 6.02 X the. Compound MgCl2 is named These interactions result in ionic compounds are correct up of atoms and/or ions the... Table 1 are arranged from top to bottom in order of increasing reducing strength third most abundant metal in crust... ( most easily oxidized ) of the a ) K Classify the following statements are about! Page at https: //status.libretexts.org contains one Al3+ ion for every three Cl- ions medications by visual or! Bond involves is al3+ paramagnetic or diamagnetic sharing of bonding electrons spend more time near the more electronegative atom standard! To the carbon NCl3 is what does the binary number 0111 represent Cl- ions namely and... Transactions via request and response messages bond, the bonding electrons spend more time the...
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