empirical formula of ionic compound Forms ionic element #1 element #2 name of ionic compound compound? yes no potassium oxygen yes no iodine oxygen yes no rubidium chlorine yes no magnesium potassium
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Q: Decide whether each pair of elements in the table below will form an ionic compound. If they will,…
A: The elements given are,
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Q: empirical formula of ionic compound Forms ionic element #1 element #2 compound? iodine O yes ?…
A: since you have asked for multiple question, as per our company guidelines we are supposed to solve…
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Decide whether each pair of elements in the table below will form an ionic compound. If they will, write the empirical formula and name of the compound formed in the spaces provided.
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- Mixing SbCl3 and GaCl3 in a 1;1 molar ratio (usingliquid sulfur dioxide as a solvent) gives a solid ioniccompound of empirical formula GaSbCl6. A controversyarises over whether this compound is ( ) SbCl2 + ( ) GaCl 4 - or( ) GaCl+ 2 ( ) SbCl 4 -(a) Predict the molecular structures of the two anions.(b) It is learned that the cation in the compound has abent structure. Based on this fact, which formulationis more likely to be correct?Findthemass%ofH2O2 inasolutionmadefrom36gofH2O2 and84gofH2O: A) 84% B) 36% C) 43% D) 30.% E) 70.%The attractive force between two ions in Na20, Fc is 8.64x10-9N. What is the bond length a0 (in nm) given that valence of the charged Na+ is Z1=+1, for O-, is Z2 =-2, the charge of a single electron q is 0.16x10-18 C and the proportionality constant k0=9x109 V.m/C? Note that K=k0(Z1q)(Z2q) and that 1 V.C = 1 J.
- Explain the trend in the strengths of oxyacids (Pauling’s prediction)A major challenge in implementing the “hydrogen economy”is finding a safe, lightweight, and compact way of storinghydrogen for use as a fuel. The hydrides of light metalsare attractive for hydrogen storage because they can store ahigh weight percentage of hydrogen in a small volume. Forexample, NaAlH4 can release 5.6% of its mass as H2 upondecomposing to NaH(s), Al(s), and H2(g). NaAlH4 possessesboth covalent bonds, which hold polyatomic anionstogether, and ionic bonds. (a) Write a balanced equationfor the decomposition of NaAlH4. (b) Which element inNaAlH4 is the most electronegative? Which one is the leastelectronegative? (c) Based on electronegativity differences,predict the identity of the polyatomic anion. Draw a Lewisstructure for this ion. (d) What is the formal charge on hydrogenin the polyatomic ion?A major challenge in implementing the “hydrogen economy”is finding a safe, lightweight, and compact way of storinghydrogen for use as a fuel. The hydrides of light metalsare attractive for hydrogen storage because they can store ahigh weight percentage of hydrogen in a small volume. Forexample, NaAlH4 can release 5.6% of its mass as H2 upondecomposing to NaH1s2, Al1s2, and H21g2. NaAlH4 possessesboth covalent bonds, which hold polyatomic anionstogether, and ionic bonds. (a) Write a balanced equationfor the decomposition of NaAlH4. (b) Which element inNaAlH4 is the most electronegative? Which one is the leastelectronegative? (c) Based on electronegativity differences,predict the identity of the polyatomic anion. Draw a Lewisstructure for this ion. (d) What is the formal charge on hydrogenin the polyatomic ion?
- Give the name and the configuration of the following substance bellowAbout Fajans proposal, polarizability and strength of ionic/covelent bond Select one: 1-according to Fajans proposal as the ionic radius decreases the polarization power of an ion increases and vice versa hence the order of polarizing power of the alkaline metals according to the decline in their atomic radius Li+>Na+>K+ and declines as going down this IA group 2- according to Fajans proposal as the ionic charge increases the polarization power of an ion decreases and vice versa thus the order of polarizing power of metals according to their charges is as follows Al+3 > Mg+2 > Na+ 3- Charge (Q)/ radius (r) ratio determines the polarization effect or power of cations therefore, cations with large radius but small high have best polarization effect 4- according to Fajans proposal ionic charge, ionic radius and the valance shell structure are not related to the ionic bond strengthSuppose we introduce the following pointdefects.(a) Mg2+ ions substitute for yttrium ionsin Y2O3; (b) Fe3+ ions substitute for magnesiumions in MgO;(c) Li1+ ions substitute for magnesiumions in MgO; and(d) Fe2+ ions replace sodium ions inNaCl.What other changes in each structuremight be necessary to maintain a chargebalance? Explain.
- Calculate the lattice energy of AgBr(s) using the following thermodynamic data (all data is in kJ/mol). Ag(s) ΔHsublimation = 265 kJ/mol Ag(g) Ionization energy = 711 kJ/mol Br-Br(g) Bond energy = 173 kJ/mol Br(g) Electron affinity = -345 kJ/mol AgBr(s) ΔH°f = -120 kJ/mol ______________ kJ/molThionyl chloride (SOCl₂) is a sulfur oxohalide used indus-trially to dehydrate metal halide hydrates. (a) Write a balancedequation for its reaction with magnesium chloride hexahydrate,in which SO₂ and HCl form along with the metal halide. (b) Drawa Lewis structure of SOCl₂ with minimal formal charges.Iodine monochloride and elemental bromine have nearly the same molar mass and liquid density but very different boiling points. (a) What molecular property is primarily responsible forthis difference in boiling point? What atomic property gives rise to it? Explain. (b) Which substance has a higher boiling point?Why?