The names of the ionic compounds are given below: A) Iron (II) bromide. H2Se Ionic compounds : without a transition metal. The following table explains the type of bonding in a compound: Ionic bonds are very strong bonds and therefore have high melting and boiling points whereas covalent bonds are weak and have low melting and boiling points. We know that iron is a transition metal and therefore it has a variable (more than one) oxidation state. Example: Copper (III) Nitrate A higher difference in electronegativity indicated the presence of ionic bonds as the transfer of electrons occurs instead of sharing electron pairs. Carbon monoxide = covalent Lithium carbonate B) sodium hydroxide NaOH NOMENCLATUREIONIC-COVALENT!COMPOUNDS!!!! We know that ionization potential is directly proportional to the energy required for the formation of ions. 2. Iron pyrite. 6. - the 2 means that our nonmetal ends in IDE and Transition metal means we have a roman numeral. E) N2, Find the covalent compound from the given choices. a. MgCl2 Due to this, molecules having covalent bonds show properties of hybridization, molecular orbital diagram, and polarity. D) potassium hydroxide KOH Answer (1 of 2): First of all, every bond possesses both ionic as well as covalent character. Sodium Phosphate c.Na2C2H4O2. In the case of Fe2O3, Fe exists as Fe2+. The electronegativity, Q:Which compound listed below would require the least energy to separate it Carbonic acid = acid 1. Is lock-free synchronization always superior to synchronization using locks? Fe(OH)2: ____________, Identify the compound with covalent bonds. a. c) HCl (L808, L809, L825) A:Covalent compounds are formed by sharing of electrons between two elements. EN <0.4 - Pure covalent, Q:A nonpolar covalent bond is found in which of these compounds? Cation @Mith (and orthocresol) Thank you. In a covalent bond, the atoms are bound by shared electrons. They have extra space to allow for the extra electrons. You are visiting Baltimore, MD and a taxi company charges $3.00 for using the taxi and $0.75 per mile driven. find the x and y components of the displacement vector of the car? N 2 O5 = covalent ! This bonding occurs primarily between nonmetals; however, it can also be observed between nonmetals and metals. C2H6 What are the disadvantages of shielding a thermometer? - (N^3-) Nitride Several hydrates of FeBr 2 are also known, all being pale colored solids. Like most metal halides, FeBr2 adopts a polymeric structure consisting of isolated metal centers cross-linked with halides. Ionic bonding occurs between a metal, which can lose electrons forming a cation (positively charged), and a non-metal which can gain electrons and form an anion (negatively charged). Once you know how many valence electrons an atom has, you can start to build molecules. O NH3 O B. PCI3 of the polar molecule. naming!(nomenclature)! 4-tetra Carbon dioxide, or CO2, forms a covalent bond. The "i" at the end of the prefixes "di-" and "tri-" are never dropped. compound combining ions) (after 2 Names and Identifiers Expand this section. If there is a multi-valent metal present, write both the stock and classical name. a. PF3 C: H2O Ionic compounds tend to have more polar molecules, covalent compounds less so. The shared pair of electrons between the Fe and O are more attracted towards the O atom as it has a higher electronegativity than Fe. A:We will estimate the type of bonding present in the molecule and then answer the question. Iron(II) bromide is an inorganic compound with the chemical formula FeBr 2.The anhydrous compound is a yellow or brownish-colored paramagnetic solid. H 2 SO 3 The type of bond between a non-metal and a metal is a molecular For covalent bonding to occur, both the atoms should have an almost equal affinity for electrons. So all you need to be able to do is figure out what elements are Metals and which are Non-Metals. D) F -F, A:Polarity of bonds in terms of electronegativity of the atoms bonded together is given by, Q:Which formula represents a nonpolar molecule that contains polar covalent bonds? Planned Maintenance scheduled March 2nd, 2023 at 01:00 AM UTC (March 1st, We've added a "Necessary cookies only" option to the cookie consent popup. -1 3 What is the chemical name for the compound Na2O? (D), Q:Identify the bonds in the following molecules as ionic or covalent. Ionic compounds. :) This clears certain things up. - (O^2-) Oxide 1 11 Uses of Platinum Laboratory, Commercial, and Miscellaneous, CH3Br Lewis Structure, Geometry, Hybridization, and Polarity. [1] The packing of the halides is slightly different from that for FeCl2, which adopts the CdCl2 motif. The prime difference between polar and nonpolar solvents is, the polar solvent gets dissolved in a polar compound, whereas the non-polar solvent gets dissolved in non-polar compounds. As we discussed earlier, if the electronegativity difference between the atoms is less than 1.7, then the compound has polar covalent bonding. Heating the methanol complex in a vacuum gives pure FeBr2. Learn. (Shelf Life, Evaporation). 2. d. Calculate the stopping force for each car. Covalent (C) or lonic (1) Give an example of each, A:A chemical bond is defined as an attraction between molecules, ions and atoms which forms a basis of, Q:Among the following compounds: Data Part 1: For each compound, classify it as ionic, covalent, hydrate or acid. Fe2O3 is found to be polar in nature as the terminal and central oxygen atoms have different hybridization. Polarizability refers to the ability of an atom/molecule to distort the electron cloud of neighboring species towards itself and the process of distortion of electron cloud is known as polarization. tetranitrogen hexafluoride = covalent 7-hepta 5 What kind of compound has the formula FeO? Decide whether each compound is ionic or covalent? Conveniently, the Group Number at the top of each column in the periodic table also gives the number of valence electrons. Is pyrite (FeS) an ionic or a covalent compound? This difference results in an electron(s) being shared between the non-metal atoms.. ---Helpful ResourcesMetals, Non-Metals on the P- Table: https://youtu.be/OoooStZQHdAIonic, Covalent, \u0026 Polar Covalent: https://youtu.be/OHFGXfWB_r4Electronegativity for each element: https://en.wikipedia.org/wiki/Electronegativity---Because we have a combination of a non-metal and non-metal F is considered a non-polar covalent compound.For more chemistry help, see http://www.Breslyn.org. LICO3, A:Ionic bond: How to react to a students panic attack in an oral exam? A brief treatment of covalent bonds follows. Calcium bromide, also knowns as calcium dibromide, is a chemical compound known for being used in some drilling fluids and food preservatives. Ionic compounds are usually between a metal and a non-metal. - Prefix + name of nonmetal ending in ide Why are non-Western countries siding with China in the UN? C) ammonium chloride NH 4 Cl Thus, as a clarification, compounds following similar characteristics and properties to FeS2 would prefer covalency to being to alternate ions, or in this case, an ion and covalent bonding between two sulfurs, yes? The binding arises from the electrostatic attraction of their nuclei for the same electrons. Is there a word for a compound that has both ionic and covalent bonds? Chemical bonds. a. Polar covalent bond b. Nonpolar covalent bond c. Ionic Bond. a.CO2, A:A covalent bond is a chemical bond that involves the sharing of electrons to form electron pairs, Q:Which compound contains both covalent and ionic bonds? Expert Answer. What does this mean? Q:Classify these bonds as ionic, polar covalent, or nonpolar covalent.1. Terms in this set (35) Molecular. c. N2H2 CH4 The several factors that affect the formation of covalent bonds are described as follows: For the formation of covalent bonds, the atom should have high ionization potential. rest all are non polar. The number of ions in the compound is indicated as a subscript after the element's symbol: MgF, The cation is generally listed first in the compound: MgF, The name of the compound is simply the name of the positive element followed by the name of the negative element adding the ide suffix: MgF. Chemistry: Ionic & Covalent Chemical Bonding Virtual Lab Name: Marcia Murillo Grade/Section: 10A. Nonpolar covalent, Q:Which of the following compounds contains a polar covalent bond? BaS According to the definition of ionic compounds, Fe2O3is an ionic compound as the ionic bond is formed between a metal and a nonmetal. This is because it is easier energetically for those elements to lose 1, 2, or 3 electrons than it would be for them to gain 5, 6 or 7 electrons. 3. If a compound is made up of metal and, A:According to the VSEPR theory, the geometry of the molecule depends on the number of bond pairs and, Q:Which compound does not contain both polar covalent and ionic bonds? O CH;OH Name: Brianna Hernandez______________________________ How does the momentum change of Yanick's car compare to the momentum change of Nancy's car? Contents. The, Q:Which of the following bonds is a nonpolar covalent bond? d) CO2 The parentheses are only used in cases where there is more than one polyatomic ion in the molecule. Example aluminum oxide. 1.- Predict the formulas for the substances below Name: Brianna Hernandez____________________________ The covalent bond is directional and present in all three states of matter - solid, liquid, and gas. What we did not discuss previously is which electrons in the atom are involved in bonding. Ba(NO 3 )2 = ionic Fe2O3 has a molecular mass of 159.68 g/mol and is often known as rust, having a reddish-brown color. I somewhat understand the ideas of preferential bonding, as in the case of H2O and suchlike. into gas phase ions? Note: when the addition of the Greek prefix places two vowels adjacent to one another, the "a" (or the "o") at the end of the Greek prefix is usually dropped; e.g., "nonaoxide" would be written as "nonoxide", and "monooxide" would be written as "monoxide". Iron(III) oxide or ferric oxide is an inorganic compound with the molecular formula Fe2O3. - (Na^+) Sodium NH3 Pentabromine iodide - an arrow that points from the positive to the negative end of the dipole, Bruce Edward Bursten, Catherine J. Murphy, H. Eugene Lemay, Matthew E. Stoltzfus, Patrick Woodward, Theodore E. Brown. See below. Fajan's Rules (https://en.wikipedia.org/wiki/Fajans%27_rules) also support this idea.---Helpful ResourcesMetals, Non-Metals on the P- Table: https://youtu.be/OoooStZQHdAIonic, Covalent, \u0026 Polar Covalent: https://youtu.be/OHFGXfWB_r4Electronegativity for each element: https://en.wikipedia.org/wiki/Electronegativity---Because we have a combination of a metal and non-metal BeBr2 (Beryllium bromide) is considered an ionic compound.In general, ionic compounds:- form crystals.- have high melting points and boiling points.- are hard and brittle.- conduct electricity when dissolved in water.- as solids do not conduct electricity.For more chemistry help, see http://www.Breslyn.org. 6. Holleman, A. F.; Wiberg, E. "Inorganic Chemistry" Academic Press: San Diego, 2001. - (Ba^2+ ) Barium, Formulas and Names of some Common Ions: Group number 3A (13), Metals & Name of Cation 2-di 6-hexa O. Fe3+ and Br-. As @Mith notes in the comments, all ionic bonds are not 100% ionic, and a lot of ionic bonds are in fact covalent to a large degree. - Polyatomic atom Nonpolar covalent: equal sharing of electrons between 2 atoms in a, Q:For each compound below, identify if ionic, polar covalent or nonpolar covalent and write the Lewis, A:A covalent bond will be polar if there's a electronegativity difference arises between two bonded, Q:The following molecules have polar covalent bonds except?a. 4 Related Records Expand this section. S 2 Cl 2 Name: Brianna . Iron(III) oxide reacts with sulphuric acid to produce iron(III) sulfate and water. Disulfur dichloride = covalent BH4 To tell if F2 is ionic or covalent (also called molecular) we look at the Periodic Table that and see that F2 is made up of two non-metals. How many miles would the cab ride be if it costs $15? It has a crystalline structure. diselenium hexaflouride MnO4 Iron(II) bromide is an inorganic compound with the chemical formula FeBr2. - is an equal or almost equal sharing of electrons by two bonding atoms established! Any compound made up of non-metals will form a covalent bond, while compounds made of a metal and non-metal form an ionic bond. Formula and structure: Calcium bromide chemical formula is CaBr 2 and its molar mass is 199.89 g mol -1. The low electronegativity difference between the two atoms favors the formation of covalent bonds. Barium nitrate The bonding in covalent compounds can be of 2 types, polar and nonpolar. Owing to the high electron affinity and small size of carbon and chlorine atom it forms a covalent C-Cl bond. formula OC HCI Iron bromide (FeBr2) Dibromoiron; Iron(II) bromide. 1 metal (+) and 1 nonmetal (-) It is an ionic, water-soluble, and deliquescent compound that can be used in medicine as a substitute for potassium iodide . Nomenclature HCl It also gives, Q:Identify the main group to which X belongs in each ionic compound formula: (a) XO; (b) XCO; (c), A:Compounds are formed by combining two or more elements in the fixed ratio. d. Br2, Which of the following compounds is most likely to be ionic? Potassium sulfate Ionic bonds are electrostatic interactions between two oppositely charged ions. - Fe is a transition metal and Bromine is a nonmetal You've been a great help! 1 Li25 Protons are present, Q:Covalent It's popular misunderstanding that all so called salts are ionic; most of them have stronger covalent component. 1 Structures Expand this section. O e.. Iron(II) Bromide, 1-mono A:Step : 1 Nitric acid - is unequal sharing of electrons O PCla formula The difference in hybridization results in unequal O-Fe-O and Fe-O-Fe bonds angles. MgO There are several exceptions to the octet rule however: Hydrogen (H) only requires 2 electrons to have a full valence shell since it only needs to be like Helium (He). refers to a covalent compounds. The fact that $\ce{Fe^2+}$ is a transition metal ion (meaning it has empty 3d and 4s orbitals available for overlap) and also that sulfur is a rather polarisable ion (because of its larger size) means that there is likely to be significant covalency in the $\ce{Fe-S}$ bonds. It adds the methanol solvate [Fe(MeOH)6]Br2 together with hydrogen gas. . a., A:Ionic compounds are those in which ions are held together by electrostatic force of attraction. FeBr2 is synthesized using a methanol solution of concentrated hydrobromic acid and iron powder. In an ionic bond, there is the transfer of valence electrons thus the sharing of electrons between the two atoms is very unequal, hence the bond has an ionic character. $\ce{FeS2}$ is likely somewhere right in the middle of the spectrum. PCl5 b. HF Names and formulas. Im a mother of two crazy kids and a science lover with a passion for sharing the wonders of our universe. Which of these is an ionic compound? The covalent bond is easily formed between atoms having 5, 6, or 7 electrons in their valence by sharing 3, 2, and 1 electron pairs respectively to achieve a stable octet. Decide if the following formulas represent Ionic or Covalent compounds. The electronegativity difference plays a role in determining, Q:Draw the Lewis structures and predict the shape of each compound or ion: a) NaCN A) LiBr How to Market Your Business with Webinars? It only takes a minute to sign up. Fe2O3 is an ionic compound. Well, for the purposes of this question, I can probably call it "ionic", but I'll make a note. Hence, the correct, Q:Define/identify the difference between an ionic and covalent compound. Find answers to questions asked by students like you. 8. - prefix + name of nonmetal Ag2O Silver Oxide FeBr2 Iron (II) Bromide. As we know like dissolves like, thus ionic compounds are soluble only in polar solvents whereas covalent compounds dissolve in nonpolar solvents. Al(OH)3 = Ionic To determine whether a bond is covalent or ionic, we must understand the difference in electronegativity. BaS There are "ionic" bonds (see below) between $\ce{Fe^2+}$ and $\ce{S2^2-}$, and there is a $\ce{S-S}$ covalent bond in $\ce{S2^2-}$. e. 5. Iron (II) bromide HCl - if its symmetrical its nonpolar, - Involves at least two molecules interacting with each other Carbon Tetrachloride or CCl4 is a symmetrical molecule with four chlorine atoms attached to a central carbon atom. Detailed Explanation, Does Lighter Fluid Expire? Draw a square (0) around the valence, A:Oxygen (O) Ionic solids, such as sodium chloride and nickel oxide, are composed of positive and negative ions that are held together by electrostatic attractions, which can be quite strong (Figure 10.39 . 10-deca, For covalent compounds do NOT balance charges. Nancy lightly applies the brakes and stops her car in 5 seconds. D) H2O NF3 A) acetic acid C 2 H 3 O 2 In other words, cations have a smaller ionic radius, while anions have a larger ionic radius when compared to their element's respective atomic radius. Formula Type Chemical Name CaO I Calcium oxide C 2 H 2 M Dicarbon dihydride LiOH I Lithium hydroxide SO 3 M Sulfur trioxide Several hydrates of FeBr2 are also known, all being pale colored solids. Ionic bonds occur between two species which are electrostatically attracted towards each other, whereas covalent atoms bond covalently through the sharing of electrons between their outer shells. Lewis Structure with Sulfur fluoride Al(CN) 3 3. The type of bond between two non-metals is a covalent bond Strange behavior of tikz-cd with remember picture. O N2H4 a.CeO Is FeBr2 iron II or iron III? Here, both the atoms (Br) are nonmetals. A B; NaCl: Ionic: CO2: Covalent: NH3: Covalent: MgBr2: Ionic: CaO: Ionic: NH4Cl: Ionic: Ca2 . Metals and Non-Metals when combined make ionic compounds. Q:Which compound contains both ionic and covalent bonds? The compound is commonly found as a hydrated salt with 2 molecules of water and a molar mass of . : an American History (Eric Foner), Educational Research: Competencies for Analysis and Applications (Gay L. R.; Mills Geoffrey E.; Airasian Peter W.), Brunner and Suddarth's Textbook of Medical-Surgical Nursing (Janice L. Hinkle; Kerry H. Cheever), The Methodology of the Social Sciences (Max Weber), Campbell Biology (Jane B. Reece; Lisa A. Urry; Michael L. Cain; Steven A. Wasserman; Peter V. Minorsky), Chemistry: The Central Science (Theodore E. Brown; H. Eugene H LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward), Biological Science (Freeman Scott; Quillin Kim; Allison Lizabeth), Principles of Environmental Science (William P. 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[4] FeBr2 reacts with bromide and bromine to form the intensely colored, mixed-valence species [FeBr3Br9]. Q:Which one of the following contains both ionic and covalent bonds? document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Welcome to Techiescientist.com. The truth is that if you have a molecular covalent compound with the formula $\ce{FeS2}$, it would extremely quickly rearrange to give you the pyrite structure, just like how if you tried to prepare an ionic lattice of $\ce{H+}$ and $\ce{O^2}$ ions it would say no thank you and go back to being ordinary water. H 2 SO 4 There are a couple of rules to follow however as you build: Now that you know the number of valence electrons and the rules you can start making molecules. It is highly soluble in water, but less soluble in ethanol. Their charges as an ion are less predictable however and they can actually have more than one charge as an ion: Whenever you write an ionic compound that contains a transition metal ion, you have to indicate in the name which ion you are using by the inclusion of a Roman numeral in the name: Another special case for creating and naming compounds derives from the existence of polyatomic ions. C12H22O11: ___________ The ionic compounds are named based on the names of the cations and the anions. b. The two compounds that are known to contain both ionic and covalent, A:Ionic bond : Ionic bonds are formed by transfer of valance electrons from one atom to another.. The fact that $\ce{Fe^2+}$ is a transition metal ion (meaning it has empty 3d and 4s orbitals available for overlap) and also that sulfur is a rather polarisable ion (because of its larger size) means that there is likely to be significant covalency in the $\ce . Cation and Anion Ion Exchange Resin. CaCl2 7. Story Identification: Nanomachines Building Cities. Sulfur trioxide = covalent For instance, if you combined Magnesium Ion, Mg2+ and Phosphate Ion, PO43-, to balance the charges you would need 3 magnesium ions and 2 phosphate ions: Mg3(PO4)2 The parenthesis are placed around the polyatomic ion to indicate that the subscript creates a multiple of the entire ion not just a single atom. (A) Ca3N2 If you continue to use this site we will assume that you are happy with it. Silver is a metallic element with the chemical symbol Ag and atomic number 47. The electronegativity difference between Iron and oxygen atoms is 1.6 corresponds to that of a polar covalent bond. NaCl So let us discuss physical characteristics of BeF2. - H --- N, increases across a period, decreases down a group, - occurs between two nonmetals Fe2O3 is an ionic compound. O CSC3H3O2 E) iron (III) phosphate FePO 4, 2.- Write the name and the formula of an ionic compound that contains nitrogen, 3.- Write the name and the formula of a covalent compound that contains nitrogen instructors directions. - (K+) Potassium, Formulas and Names of some Common Ions: Group number 2A (2), Metals & Name of Cation CaCl 2 .2H 2 O = hydrate Fool's gold to some. O C2H6 (b) NO2 Iron (III) oxide or Fe2O3 consists of iron which is a metal and oxygen which is a non-metal, therefore the bond is ionic in nature. The structure of Fe2O3is given as below: The three oxygen atoms have 2 different types of hybridization, the two-terminal O atoms are sp2 hybridized (one sigma bond and 2 lone pairs of electrons) whereas the central O atom is sp3 hybridized (two sigma bonds and 2 lone pairs of electrons). Select one: Hence,, Q:Which of the following substances contain polar covalent bonds: Iron (II) oxide or ferrous oxide is the inorganic compound with the formula FeO. A. NH3 B.H20 C. HCl D.. 5. What are the advantages and disadvantages of video capture hardware? CCI4 2. "Mono" is not used to name the first element, SF6 Sulfur Hexafluoride (Note that there is only one Sulfur but no Mono prefix). 5. Ionic compound : It is defined as the compound which is formed when electron gets transferred from one atom to another atom. Create . CsCl Potassium chromium oxide Aluminum hydroxide B) N - F Get access to millions of step-by-step textbook and homework solutions, Send experts your homework questions or start a chat with a tutor, Check for plagiarism and create citations in seconds, Get instant explanations to difficult math equations, The attractive force which has the ability of holding various constituent elements like atoms, ions, molecules, etc. C) F - CI This means carbon usually shares its 4 valence electrons through covalent bonds of either single, double, or triple bonds with other molecules. O CsC,H3O2 B: NaCl A polar covalent bond, Q:refer to pic In the periodic table below, you can see diagrams of each element that shows how many valence electrons it possesses. Polar covalent CH:COOH, A:Ionic bond: The strong electrostatic forces of attractions exist between two ions is called ionic, Q:Predict which of these compounds are ionic and which are covalent. Aluminum is a metal and oxide is a nonmetal. Manganese sulfide, FeBr2 = ionic All Rights Reserved. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. A:Which of the following is a non - polar covalent molecule? As was mentioned above, ions come together in compounds to form neutral (uncharged) molecules. Metals and Non-Metals when combined make ionic compounds. Actually S and Fe are bonded covalently, only with slight polarisation. Draw the electrons for a simple atomic model of Oxygen. Now that you can form covalent compounds we need to go over how to name these compounds. E: KCl, Determine the type of bonding of the following compounds. So when they combine, it forms an ionic compound. Provide names: Na 3 PO 4 = Ionic O MGF2, A:Ionic bond: It is the type of chemical bond which is formed by the complete transfer of electrons, Q:For each of these molecules, identify them as IONIC, POLAR COVALENT MOLECULE, OR NONPOLAR COVALENT, A:The bonding formed by the complete transfer of electrons from one atom to the other is known as an, Q:Determine whether the following compounds are ionic or covalently bonded Therefore the molecule is polar in nature. Your email address will not be published. In ionic bonding, atoms transfer electrons to each other. 9-nona 6. A:Givrn, Molecules N2 , NH3 , H2O,O2 MnS2 = ionic Name of the ionic compound Ionic and covalent compounds wiki answers com. O 02. 8-octa For example, Boron (represented as B in the periodic table) is in Group 3A and has 3 valence electrons; Carbon (represented as C) is in Group 4A and has 4 valence electrons. 4 What kind of acid is used to make FeBr2? A covalent bond takes place when two atoms share electrons, thus binding the two atoms together. Hence we say that Fe2O3is a polar compound. Therefore, we can say that iron oxide has a basic nature as it neutralizes the acid. NaCl, But in the case of calcium which forms a +2 ion and chlorine which forms a -1 ion, we need two chlorines to balance the charge of the one calcium. Then figure out what the total cost of the trip would be.? Cu^2+ NO3^- To tell if F2 is ionic or covalent (also called molecular) we look at the Periodic Table that and see that F2 is made up of two non-metals. Select all formulas that would be considered to be ionic compounds FeBr2 NaNO2 C2 F6 AlF3 O3 Question 21 3 pts Match each of the following bonds with the electron behavior observed. Do clownfish have a skeleton or exoskeleton. PCl5: _______________ The anhydrous compound is a yellow or brownish-colored paramagnetic solid. Chemistry Stack Exchange is a question and answer site for scientists, academics, teachers, and students in the field of chemistry. Create at least 12 ionic compounds. It is used to prepare other silver compounds, and in the silver oxide battery. Li 2 CO 3 = Ionic The difference in electronegativities between the atoms results in the loss of electrons by the less electronegative atom and the gain of electrons by the more electronegative atom. Answer : Covalent compound : It is defined as the compound which is formed by the sharing of electrons between the atoms forming a compound.

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