Phosphate 3. (Remember that the convention for writing formulas for ionic compounds is not to include the ionic charge.) Infobox references. Here are some examples. Li 2 CrO 4. Direct link to Matt B's post Practically unlimited, ev, Posted 7 years ago. Nomenclature (Part A) Naming Ionic Compounds Ionic compounds are compounds made up of ions held together by electrostatic forces. Direct link to DJ Daba's post Why are these things call, Posted 4 years ago. Write the chemical formula for the ionic compound formed by each pair of ions. Li 3 PO 4. 6. We have already encountered some chemical formulas for simple ionic compounds. When do we change the ending of polyatomic atoms? Although both of these ions have higher charges than the ions in lithium bromide, they still balance each other in a one-to-one ratio. Look at the ions present on the reactants' side. Sodium sulfide, another ionic compound, has the formula Na 2S. Two sodium 1+ ions are needed to balance the 2 charge on the sulfur ion. Write the formula for the compound that forms between potassium and the polyatomic ion hydrogen phosphate. Write the name and formula of the compound formed between Cu2+ and PO43- ions. Acetate. the 2+ copper ion and the sulfur ion. Write the formula for lithium phosphide and identify the symbol and charge of the ions involved. Ionic compounds are often composed of a metal and a nonmetal. Is it a molecular or ionic compound? (In fact, it is ionic.) Write the formula for the phosphate compound formed with the barium ion. A closer look, however, shows that blood and seawater are quite different. the ratio of each kind of ion in the compound, 2.5: Ionic Bonding and Simple Ionic Compounds (Exercises), Table \(\PageIndex{1}\): Some Polyatomic Ions. The precise pattern depends on the compound. Write the formula of the ionic compound formed from the cation Mn2+ and the anion CN-. Write the chemical formula for nickel(II) phosphate. Lithium is a Group IA metal, so its ion will have a +1 charge. Thus, compared to the neutral atom, we have extra electronsin the case of a negatively charged anionor not enough electronsin the case of a positively charged cation. It has poor solubility in water while insoluble in alcohol. (Do not read the Cl2 part of the formula as a molecule of the diatomic elemental chlorine. In contrast, seawater is principally a 3% sodium chloride solution, over three times the concentration in blood. Write the formula of the ionic compound formed from the cation Fe3+ and the anion CN-. Now the positive and negative charges are balanced. Give the formula for the polyatomic ion hydrogen phosphate. Write the formula for sodium nitrate and identify the positive and negative ions in the compound. The amount of hydrogen phosphate ionsHPO42 and H2PO4in seawater is very low, but they are present in higher amounts in blood, where they also affect acid-base properties. Luckily, we know the charge on the anion: phosphate is a polyatomic ion that always has a charge of 3-. The ion has a net charge because the total number of electrons is not balanced by the total number of protons in the nucleus. In molecular formulae, the elements are denoted by their respective symbols (as in the periodic table) and the number of atoms of each element in the molecule is written in subscript. A macroscopic sample is composed of myriads of NaCl pairs; each individual pair called a formula unit. Write the chemical formula for a simple ionic compound. Identify the symbol and charge of the ions in this compound. This chemical formula says that there are one magnesium ion and two chloride ions in this formula. Write the formula for lead(II) chlorite. The remaining polyatomic ions are all negatively-charged and, therefore, are classified as anions. Write the chemical formula for the ionic compound formed by each pair of ions. An example is Ba(NO3)2. This simplifies to its correct empirical formula PbO2. Another notable difference is that blood does not have significant amounts of the sulfate ion (\(\ce{SO4^{2}}\)), but this ion is present in seawater. Write the name and formula of the compound formed between Sn4+ and CO32- ions. Write the name and formula of the compound formed between Fe3+ and SO42- ions. Write the formulas of compounds formed by specified cations with the following anions. Lithium phosphide is an inorganic compound of lithium and phosphorus with the chemical formula Li. Polyatomic ions have defined formulas, names, and charges that cannot be modified in any way. When an ionic compound is formed from magnesium and oxygen, the magnesium ion has a 2+ charge, and the oxygen atom has a 2 charge. Write the name and formula of the compound formed between Fe3+ and Br- ions. Ionic compounds always occur between two different substances that have a _____ and a ______, A group of elements that combined together have a charge is a. In this video we'll write the correct formula for Lithium phosphide.To write the formula for Lithium phosphide we'll use the Periodic Table and follow some s. Except where otherwise noted, data are given for materials in their standard state (at 25 C [77 F], 100 kPa). The easiest way to balance these charges is to assume the presence of two chloride ions for each magnesium ion: Now the positive and negative charges are balanced. Calcium ions have a charge of 2+, while nitrate ions have a charge of 1. All except metal to metal Lithium & Flourine and nonmetal to nonmetal Sulfur & Bromine. Write the name and formula of the compound formed between Cu2+ and Br- ions. This article assumes you have a knowledge of . To balance the positive and negative charges, we look to the least common multiple6: two iron 3+ ions will give 6+, while three 2 oxideions will give 6, thereby balancing the overall positive and negative charges. Scandium phosphide. If more than one of a particular polyatomic ion is needed to balance the charge, the entire formula for the polyatomic ion must be enclosed in parentheses, and the numerical subscript is placed outside the parentheses. The positive and negative ions in lithium phosphate are lithium {eq}\rm Li^+ Lithium iron phosphate or lithium ferro-phosphate (LFP) is an inorganic compound with the formula LiFePO 4.It is a gray, red-grey, brown or black solid that is insoluble in water. There are far more hydrogen carbonate ions (\(\ce{HCO3^{}}\)) in blood than in seawater. What is the formula for the ionic compound? The PO3 4 groups are discrete units, each consisting of one phosphorus atom and four oxygen atoms, and having an overall charge of 3. If you're seeing this message, it means we're having trouble loading external resources on our website. If you have Li at +1 and PO4 at -3 then there must be 3 Li to make +3 to balance the -3 for PO4. Write the name of the compound with the formula In(ClO4)3. The formula for an ionic compound follows several conventions. Now consider the ionic compound formed by magnesium and chlorine. Since the overall charge is 0, the positive and negative charges from the irons and oxygens have to sum up to 0. Identify the formula and name of the cation and anion of sodium phosphate, Na3PO4. The oxygen atom will adopt a 2 charge as an ion. Molecular Formula: The molecular formula provides insight into the number of elements present in a compound. Write a formula for the compound that forms between lithium and each polyatomic ion: 1. However, we can use the ratio of sodium ions to chloride ions, expressed in the lowest possible whole numbers, as a way of describing the compound. cubic. Write the formulas of the compound, NH_4^+, formed by specified cations with the following anions: OH^-, NO_3^-, CO_3^{2-}, HSO_4^-, PO_4^{3-}. Write the chemical formula for the compound formed by the K+ and PO43- ions. Write the formula for the ionic compound magnesium phosphate (containing the PO43- ion). Write the name and formula of the compound formed between H+ and CO32- ions. Direct link to fryercar76's post *Cations* are positively , Posted 7 years ago. Write it above each element. 3.3: Formulas for Ionic Compounds is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by LibreTexts. Direct link to Sue Rieger's post how are polyatomic ion fo, Posted 7 years ago. Do not think about the dot structure for this. Ionic compounds exist as alternating positive and negative ions in regular, three-dimensional arrays called crystals (Figure \(\PageIndex{1}\)). Write the name and formula of the compound formed between Fe3+ and Cl- ions. Which compounds would you predict to be ionic? Ionic compound formed from sodium and sulfur, Ionic compound formed from aluminum and fluorine, Ionic compound formed from iron and oxygen (assume the iron ion takes on a 3+ charge), To obtain a valence shell octet, sodium forms an ion with a 1+ charge, while the sulfur ion has a 2 charge. Being familiar with the most common polyatomic ions will be helpful for recognizing ionic compounds and predicting their reactivity. Also note that this combination of nitrogen and oxygen has no electric charge specified, so it is not the nitrite ion. Write the name of the compound with the formula Pb3(PO4)2 and identify the cation and anion. Write the formula and charge of the phosphate ion. Sodium is a metal, and oxygen is a nonmetal; therefore, \(\ce{Na2O}\) is expected to be ionic. We could write the chemical formula for this ionic compound as \(\ce{MgClCl}\), but the convention is to use a numerical subscript when there is more than one ion of a given type\(\ce{MgCl2}\). A) Fe2S2 B) Fe2s C) Fes D) FezS 23. Complete Step By Step Answer: ionic compound: compound composed of cations and anions combined in ratios, yielding an electrically neutral substance. First, compounds between metal and nonmetal elements are usually ionic. 2 Li 2 S potassium iodide magnesium oxide aluminum chloride sodium nitrate calcium carbonate lithium sulfate beryllium phosphide magnesium hydroxide sodium phosphate aluminum carbonate calcium chloride sodium cyanide aluminum . Any help would be greatly appreciated. Write the chemical formula for a simple ionic compound. The formula Mg2Cl4has balanced charges with the ions in a 1:2 ratio, but is not correct because it isnot the lowest whole number ratio. The Lewis structures, names and formulas of some polyatomic ions are found in Table 3.3.1. For example, a neutral chlorine atom has an atomic number of 17, which means it has 17 protons and 17 electrons. Direct link to Ryan W's post Polyatomic ions are group, Posted 7 years ago. Since there is one extra electron compared to the number of protons, the ion has a net charge of 1-. Name each compound formed. You need to multiply the magnesium cations by #color(red)(3)# and the phosphate anions by #color(blue)(2)#. Second, charges are not written in a formula. Write the name and formula of the compound formed between Be2+ and Cr2O72- ions. Each ion is surrounded by ions of opposite charge. The last hint of the last question contains a typo, the ion must be iron (ll) to balance out the 2- charge of Dichromate. Direct link to Yaren's post Is there an error in prob, Posted 7 years ago. Direct link to Dipthi Munoth's post Do not think about the do, Posted 7 years ago. This is a clue that the other part of the formula, \(\ce{Ba}\), is actually the \(\ce{Ba^{2+}}\) ion, with the 2+ charge balancing the overall 2 charge from the two nitrate ions. 3P. Recognize polyatomic ions in chemical formulas. Alternatively, use the crossing charges method shown in Figure 3.3.2. Identify the symbol and charge of the ions in this compound. 2. The formula for lithium bromide is LiBr. Notice that we didn't do anything with the "4" subscript on the phosphate. false. The formula for an ionic compound must contain the same number of positive and negative charges so that the charges are balanced and it is neutral overall. Sometimes more than one ion is needed to balance the charge on the other ion in an ionic compound. Rather, it exists as two individual chloride ions.) Nickel is a transition metal that can form multiple kinds of cations with different charges. The number of anions and cations create a compound with an overall charge of zero; in other words, the positive and negative charges are balanced. To determine the proper formula of any combination of ions, determine how many of each ion is needed to balance the total positive and negative charges in the compound. Finally, the proper formula for an ionic compound always obeys the following rule: the total positive charge must equal the total negative charge. Iron III Oxide. a. NO3- b. ClO3- c. SO42-. Identify the symbol and charge of the ions in this compound. Write the formula of the ionic compound formed from Na+ and PO43-. Specify the formula, charge, and number of each ion. Both oxygen and fluorine are nonmetals. the calcium ion and the oxygen ion. Our experts can answer your tough homework and study questions. When drawing Lewis dot structures, the overall charge on a polyatomic ion is equal to the sum of the formal charges on each atom in the ion. Two examples are shown below: There are two ways to recognize ionic compounds. Write the chemical formula for an ionic compound composed of each pair of ions. Science has long recognized that blood and seawater have similar compositions. monatomic ion: ion composed of a single atom. Legal. a) Lithium phosphide? However, the sulfate ion is symbolized as SO42. Baking powder contains calcium dihydrogen phosphate, an ionic compound composed of the ions Ca 2 + and \(\ce{H2PO4-}\). Legal. Ionic Compounds Worksheet Name of Ionic Compound Formula of Ionic Compound Name of. In this compound, the cation is based on nickel. Do we change the ending of the first element in an ionic compound to -ide? Table \(\PageIndex{1}\) lists the most common polyatomic ions. Write the name and formula of the compound that is formed between Al3+ and N3- ions. Lithium Phosphate. Write the chemical formula for the ionic compound formed by each pair of ions. Identify each compound as ionic or not ionic. Examples of monatomic ions include \text {Na}^+ Na+, \text {Fe}^ {3+} Fe3+, \text {Cl}^- Cl, and many, many others. Very basic question. However, only two of these, the hydroxide ion and the cyanide ion, are named using the "-ide" suffix that is typically indicative of negatively-charged particles. This combination is written as AlF, Iron can form two possible ions, but the ion with a 3+ charge is specified here. Write the formula for calcium nitride and identify the symbol and charge of the ions involved. For example, CaBr2 contains a metallic element (calcium, a group 2A metal) and a nonmetallic element (bromine, a group 7A nonmetal). Write the element symbol for the metal and its charge using Periodic Table.2. {/eq} ions, repectively. Is there an error in problem 1? We will need two potassium ions to balance the charge on the sulfate ion, so the proper chemical formula is \(\ce{K_2SO_4}\). What is the formula for the ionic compound formed from the hydrogen phosphate anion (HPO42-) and the cation Zn2+? Identify each compound as ionic or not ionic. First, compounds between metal and nonmetal elements are usually ionic. Which compounds would you predict to be ionic? This is to show that the subscript applies to the entire polyatomic ion. Write the name and formula of the compound formed between Fe3+ and S2- ions. Write the formula for the ionic compound formed from each cation and anion. Write the name and formula of the compound formed between lithium and sulfur. Finally, the proper formula for an ionic compound always has a net zero charge, meaning the total positive charge must equal the total negative charge. For help finding charge, watch: https://youtu.be/M22YQ1hHhEY.3. Direct link to Gita Elangbam's post Polyatomic ions are forme, Posted 7 years ago. Example \(\PageIndex{3}\): . Since the overall charge for an ionic compound is zero, we can use the chemical formula and the charge on phosphate to calculate the charge on the nickel ion: If we rearrange this equation, we see that the sum of the charges from the cations must be equal to. Write the formula for calcium bicarbonate and identify the positive and negative ions in the compound. All rights reserved. Thus, \(\ce{NaCl}\) is the chemical formula for sodium chloride, which is a concise way of describing the relative number of different ions in the compound. What is the name of Cu (NO). Magnesium Nitrate. Another notable difference is that blood does not have significant amounts of the sulfate ion (SO42), but this ion is present in seawater. Therefore, the name of the compound is nickel(II) phosphate. Because these ions contain more than one atom, they are called polyatomic ions. The material has attracted attention as a component of lithium iron phosphate batteries, a type of Li-ion battery.This battery chemistry is targeted for use in power tools, electric vehicles, solar energy . The oxygen atom has a 2 charge as an ion. A chemical formula is a concise list of the elements in a compound and the ratios of these elements. Done on a Dell Dimension laptop computer with a Wacom digital tablet (Bamboo). There are two main things to keep in mind: If a compound contains more than one polyatomic ion of the same type, we need to place parentheses around the ion's formula, Calcium is an alkaline earth metalGroup 2 on the periodic tableso it forms ions with a 2+ charge. Write the formula for the four ionic compounds that can be made by combining the cations Mg2+ and Fe3+ with the anions PO43- and NO3-. Note that all of the polyatomic ions whose names end in "-ate" contain one more oxygen than those polyatomic anions whose names end in "-ite." This method is shown schematically in Figure 3.3.2. By convention, assume that there is only one atom if a subscript is not present. Practically unlimited, even though there are some that are more and some that are less common. Therefore, \(\ce{PCl3}\) is not ionic. By convention, the lowest whole number ratio is used in the formulas of ionic compounds. Write the formula of the ionic compound formed from the cation Fe3+ and the anion SO32-. Write the chemical formula for the ionic compound formed by each pair of ions. That means we will need to figure out the charge on the nickel ion in this specific compound so that we can specify it when naming the ionic compound! Use the crisscross method to check your work.Notes:- Dont write the subscript '1'.- If you use the criss-cross method and end up with something like Ca2S2 you'll need to reduce the subscripts to Ca1S1 which we write as CaS.For a complete tutorial on naming and formula writing for compounds, like Lithium phosphide and more, visit:http://www.breslyn.org/chemistry/namingDrawing/writing done in InkScape. Add subscripts (if necessary) so the charge for the entire compound is zero.5. 7. Although both of these ions have higher charges than the ions in lithium bromide, they still balance each other in a one-to-one ratio. 4. What is the correct formula for iron (II) sulfide? What is the formula of this compound? Identify the symbol and charge of the ions in this compound. Write the name and formula of the compound formed between Ni3+ and PO43- ions. 2 comments. The compound is overall neutral, but consists of positively charged cations and negatively charged anions. Write the name of the compound with the formula Mg(MnO4)2. What is the name of FeO. To obtain a valence shell octet, sodium forms an ion with a 1+ charge, while the sulfur ion has a 2 charge. How do you know there are two ions of permanganate. A. LiCl because the total negative charge on Cl is one. Write the name and formula of the compound formed between H+ and S2- ions. Use the given order of anions. A macroscopic sample is composed of myriads of NaCl pairs; each pair called a formula unit. Polyatomic ions are formed through covalent bonds, most especially coordinate covalent bonds. When an ionic compound is formed from magnesium and oxygen, the magnesium ion has a 2+ charge, and the oxygen atom has a 2 charge. Lithium (group 1) is a metal Copper II Nitrate. By convention, the lowest whole number ratio is used in the formulas of ionic compounds. This differentiates polyatomic ions from monatomic ions, which contain only one atom. Write the formulas of the compounds formed by Al3+ with the following anions. In the case of sodium chloride, the ratio of sodium ions to chloride ions, expressed in lowest whole numbers, is 1:1, so we use \(\ce{NaCl}\) (one \(\ce{Na}\) symbol and one \(\ce{Cl}\) symbol) to represent the compound. For example, \(\ce{NO3^{}}\) is the nitrate ion; it has one nitrogen atom and three oxygen atoms and an overall 1 charge. We could write the chemical formula for this ionic compound as MgClCl, but the convention is to use a numerical subscript when there is more than one ion of a given typeMgCl2. We will be referring to the polyatomic ions in this table for the remainder of the article! There are exceptions for certain ions, such as Hg22+, Write the chemical formula for an ionic compound formed from the following elements. A) Liso B) LiSO C) LiSO D) Liiso 22. You will have There are two ways to recognize ionic compounds. Write the formula of the compound formed between the ions Ca2+ and PO43-. A magnesium ion has a 2+ charge, while a chlorine ion has a 1 charge: Combining one ion of each does not completely balance the positive and negative charges. The structures of these lithium sodium vanadium phosphate compounds are investigated by the X-ray diffraction. This means that two Cl1 anions will balance with one Ca+2 cation. Related compounds. Why do the chemical formulas for some ionic compounds contain subscripts, while others do not. Add subscripts (if necessary) so the charge for the entire compound is zero.5. Some ions consist of groups of atoms bonded together and have an overall electric charge. Polyatomic ions have characteristic formulas, names, and charges that should be memorized. What is the formula for Lithium Phosphide, What is the formula for Manganese II carbonate, What is the formula for Iron III Phosphite, What is the formula for Barium Permanganate, What is the formula for Nickel II Nitrate, What is the formula for Cobalt III Chromate, What is the formula for Nickel III Carbonate, What is the formula for Magnesium Perchlorate, What is the formula for Cobalt III Phosphate, What is the formula for Ammonium Hydroxide, What is the formula for Strontium Phosphide, What is the formula for Manganese III Cyanide, What is the formula for Potassium Carbonate, What is the formula for Beryllium Phosphate, What is the formula for Magnesium Nitrite, What is the formula for Magnesium Hypochlorite, What is the formula for Beryllium Hydrogen Sulfite, What is the formula for Lithium Hydrogen Sulfate. The empirical formula has one Pb4+ ion and two O2 ions. By convention, assume that there is only one atom if a subscript is not present. Lithium Dichromate. Life could not exist with just 91 elements if they did not combine to form compounds. Why are these things called polyatomic ions? This makes the formula for calcium chloride, CaCl2. Lithium Chromate. {/eq} ions and phosphate {eq}\rm PO_4^{3-} Metals tend to lose electrons to form cations, while nonmetals tend to gain electrons to from anions. 13. The compound needs three lithium ions to balance the -3 charge of the phosphate, so the formula is Li 3 PO 4. Therefore, the proper formula for this ionic compound is MgO. Write the formula for tin(IV) phosphate. What is the name of (NH)PO. In this video we'll write the correct formula for Lithium phosphate (Li3PO4).To write the formula for Lithium phosphate well use the Periodic Table, a Common Ion Table, and follow some simple rules.Because Lithium phosphate has a polyatomic ion (the group of non-metals after the metal) we'll need to use a table of names for common polyatomic ions, in addition to the Periodic Table.Keys for Writing Formulas for Ternary Ionic Compounds:1. a. hydroxide b. carbonate c. phosphate d. hydrogen phosphate. C. Li_2Cl because the total positive charge on Cl is one. Expert Help. Identify the symbol and charge of the ions in this compound. Write the name of the compound with the formula LiIO3. Screen capture done with Camtasia Studio 4.0. An ionic formula, like NaCl, is an empirical formula. B. LiCl because the total negative charge on Li is two. Groups of atoms with an overall charge, called polyatomic ions, also exist. Polyatomic Ionic Formula Writing Name___KEY____ Name Ions Formula sodium sulfate Na+1 SO4-2 Na2SO4 lithium phosphate Li+1 PO4-3 Li3PO4 aluminum acetate Al+3 C2H3O2-1 Al(C2H3O2)3 tin(II) nitrate Sn+2 NO3-1 Sn(NO3)2 Potassium Carbonate K+1 CO3-2 K2CO3 iron(III) sulfate Fe+3 SO4-2 Fe2(SO4)3 The formula for an ionic compound follows several conventions. Because most metals form cations and most nonmetals form anions, formulas typically list the metal first and then the nonmetal. Write the name of the compound with the formula Fe2(Cr2O7)3. (Remember that the convention for writing formulas for ionic compounds is not to include the ionic charge.) The net charge on the hydroxide ion is indicated by putting the entire dot structure inside square brackets with the charge on the upper right. Write the formula for chromium(III) hydroxide and identify the positive and negative ions in the compound. Become a Study.com member to unlock this answer! Lithium and Phosphate. To write the formula for Lithium phosphate we'll use the Periodic Table, a Common Ion PO4 is -3. If it is an ionic compound, identify the symbol and charge of the ions. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. This means we need 2 iron atom, and 3 oxygen atoms, or Fe2O3. (Do not read the Cl2 part of the formula as a molecule of the diatomic elemental chlorine. Although some substances we encounter in our routine lives are elements, most occur in the combined state. Direct link to Venkat A's post How many polyatomic ions , Posted 7 years ago. Direct link to Andrew M's post But now it has a negative, How to name ionic compounds containing common polyatomic ions, start text, N, a, end text, start superscript, plus, end superscript, start text, F, e, end text, start superscript, 3, plus, end superscript, start text, C, l, end text, start superscript, minus, end superscript, start text, C, a, C, O, end text, start subscript, 3, end subscript, start text, C, a, end text, start superscript, 2, plus, end superscript, start text, C, O, end text, start subscript, 3, end subscript, start superscript, 2, minus, end superscript, space, space, space, space, space, space, space, space, space, space, space, space, space, start color #11accd, start text, C, l, end text, end color #11accd, space, space, space, plus, space, space, space, e, start superscript, minus, end superscript, space, space, space, right arrow, space, space, space, start color #aa87ff, start text, C, l, end text, start superscript, minus, end superscript, end color #aa87ff, space, space, space, space, start color #11accd, 17, start text, e, l, e, c, t, r, o, n, s, end text, end color #11accd, space, space, space, space, space, space, space, space, space, space, space, space, space, space, start color #aa87ff, 18, start text, e, l, e, c, t, r, o, n, s, end text, end color #aa87ff, space, space, space, space, space, 17, start text, p, r, o, t, o, n, s, end text, space, space, space, space, space, space, space, space, space, space, space, space, space, space, space, space, 17, start text, p, r, o, t, o, n, s, end text, start text, O, H, end text, start superscript, minus, end superscript, start text, H, C, O, end text, start subscript, 3, end subscript, start superscript, minus, end superscript, start text, P, O, end text, start subscript, 4, end subscript, start superscript, 3, minus, end superscript, start text, N, a, H, C, O, end text, start subscript, 3, end subscript, start text, C, a, left parenthesis, O, H, right parenthesis, end text, start subscript, 2, end subscript, start text, C, a, O, H, end text, start subscript, 2, end subscript, start text, N, i, end text, start subscript, 3, end subscript, left parenthesis, start text, P, O, end text, start subscript, 4, end subscript, right parenthesis, start subscript, 2, end subscript, start text, C, a, left parenthesis, M, n, O, end text, start subscript, 4, end subscript, right parenthesis, start subscript, 2, end subscript, start text, M, n, O, end text, start subscript, 4, end subscript, start superscript, minus, end superscript, start text, L, i, end text, start subscript, 3, end subscript, start text, P, O, end text, start subscript, 4, end subscript, start text, L, i, end text, start subscript, 2, end subscript, start text, H, P, O, end text, start subscript, 4, end subscript, start text, L, i, H, P, O, end text, start subscript, 4, end subscript, start text, L, i, H, end text, start subscript, 2, end subscript, start text, P, O, end text, start subscript, 4, end subscript, left parenthesis, start text, N, H, end text, start subscript, 4, end subscript, right parenthesis, start subscript, 2, end subscript, start text, S, end text, start text, F, e, C, r, end text, start subscript, 2, end subscript, start text, O, end text, start subscript, 7, end subscript, 1, start text, space, F, e, end text, start superscript, plus, end superscript, 1, start text, space, C, r, end text, start subscript, 2, end subscript, start text, O, end text, start subscript, 7, end subscript, start superscript, minus, end superscript, 1, start text, space, F, e, end text, start superscript, 2, plus, end superscript, 1, start text, space, C, r, end text, start subscript, 2, end subscript, start text, O, end text, start subscript, 7, end subscript, start superscript, 2, minus, end superscript, 2, start text, space, C, r, end text, start superscript, 6, plus, end superscript, 7, start text, space, O, end text, start superscript, 2, minus, end superscript, 1, start text, space, F, e, C, r, end text, start subscript, 2, end subscript, start superscript, 14, plus, end superscript.
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