Which of the following is the correct setup and answer for the formal charge of silicon in SiO2? Select one: a. FC = 4 - (2 + 2) = 0 b. FC = 4 - (4 - 2) = -2 c. FC = 4 - (4 + 0) = 0 d. FC = 6 - (4 + 0) = +2

Q: .3. For each of the following, tell how many valence electrons there are, and explain how you are…

A: Applying basic concepts of electronic configuration in the shells.

Q: Which of these elements are unlikely to form covalentbonds? S, H, K, Ar, Si.

A: Covalent bonds are formed by sharing of electrons between two atoms. Sulfur (S), Hydrogen (H) and…

Q: List the valence electrons, e.g. 2s2, 2p3, for the following compounds  a.…

A: The electrons in an atom's outer shell are known as valence electrons (VE). The valence electrons…

Q: 1a)Which one of the follwoing is a covalent compound? Why? a)CO2 b)AlCl3 c) KBr d) Fe2O3…

A: Covalent compound : These are the compounds which are formed as a result of covalent bonding among…

Q: What is the general relationship between IE₁ and EN for the elements? Why?

A:

Q: 9. Accounting for expanded valence for 3rd period elements, what is the formal charge at the central…

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Q: Which element would not make more than one bond?   a. Cl   b. O   c. N   d. H

A:

Q: Q.3) Determine the type of bonding in the .following materials a) Fe b) CuAI с) Н20 d) Al203 e) Не

A: Given,  a). Fe b). CuAl  c). H2O  d). Al2O3  e). He  Determine the type of bonding in the following…

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A: Ionic compounds are defined as the type of chemical compound in which two or more ions are held…

Q: E15C.5(a) Calculate the lattice enthalpy of CaO from the following data: AH/(kJ mol") Sublimation of…

A: Lattice enthalpy : The energy released when the ions combines, because of strong electrostatic…

Q: Using the following data, calculate the lattice energy of calcium chloride: Ca2+(g) + 2Cl– (g) →…

A:

Q: Q3: (A) Answer the following questions: 1. Give an example of allotropy materials and explain it.…

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Q: Three compounds that contain an element from Group 18 are XEOF, XeO,F2, and XeF4. Possible Lewis…

A: For possible Lewis structures: A, D and E For the question (c)              : D

Q: What type of bond is expected for bronze (copper-tin alloy)? Why?   2. Cite the main differences…

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Q: The Lewis structure for SiF62- is shown. What is the electron-pair geometry around the central atom?…

A: Determine electron pair geometry of SiF62- ?

Q: The following three Lewis structures can be drawn for N2O:(a) Using formal charges, which of these…

A: The resonance structures are possible for N2O by the delocalization of electrons. The resonance…

Q: Is SiO32- polar or nonpolar?

A: In the case of the sulfite ion, the three oxygens would be at the base of the pyramid and would have…

Q: 26. ". What is the formal charge of S and N atoms (from left to right) in S-NEN: the following…

A: The formal charge of given structure has to be identified. Formal charge =Total no.of valence…

Q: The standard heat of formation of CaBr2 is -675 kJ/mol. The first ionization energy of Ca is 590…

A: Given, Enthalpy of formation, ΔHf = -675kJ/mole Enthalpy of sublimation, ΔHsub = 178 kJ/mole First…

Q: MX(s) + crystal lattice energy → M*(g) + X(g) is the reaction for crystal lattice energy. True O…

A: The crystal lattice energy of Crystalline solid is the energy required to separate a metal ion when…

Q: What does this tell you about the bonding in the two substances

A: 1) The two structure of N2O can be NNO and NON In upper one structure, more electronegative O atom…

Q: Which statement explains why a rubber band analogy is not a perfect comparison for bonds in a…

A: Rubber band is not a crystalline solid it is a amorphous solid so we can say that rubber band do not…

Q: Dinitrogen

A: Average bond energy,  ∆E( NN) = 941kJmol-1  ∆E(N-O) = 201 kJmol-1 ∆E(O=O) = 495 kJmol-1    Formula…

Q: 29) For dinitrogen monoxide, the arrangement of the atoms is N-N-0. In the Lewis structure with a…

A:

Q: State whether the bonding in each compound is likely to be covalent: i) glucose, ii) nitrogen, iii)…

A: Answer - 1. glucose Glucose is a covalent compound because glucose contains 3 non-metals: oxygen,…

Q: Which of the following four compunds would you expect to have the lowest lattice enthalpy or weakest…

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Q: Which of the following compounds requires the most energy to convert one mole of the solid into…

A: Lattice energy depends on two factors; those are charge and ionic radii. The anion charges are the…

Q: E15C.5(b) Calculate the lattice enthalpy of MgBr, from the following data: AH/(kJ mol") Sublimation…

A: Given:   ∆H/(kJ mol-1) Sublimation of Mg (s) +148 Ionization of Mg(g) to Mg2+(g) +2187…

Q: In the BCC crystal structure, atoms touch along which direction? O [111] O [011] O (001) O (111) O…

A: In this question, we have to choose the correct answer from the given option.

Q: is Fe2+ or Fe3+ more reactive and why

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Q: Which of the following is most likely an ionic bond? Select one: a. N—O b. F—F c. C—N d. H—H e.…

A: During the formation of Ionic bond, there is a complete transfer of one or more electrons from one…

Q: Which structure below is the correctly-drawn Lewis- Dot structure for SO₂? A B :O: •8= C :S: *O=0:…

A:

Q: Which of the following contains the most ionic bond?     BrI     Cl2     CsF     NO     S8

A:

Q: Which member of each pair is less metallic?(a) I or O(b) Be or Ba(c) Se or Ge

A: Which member of each pair is less metallic? (a) I or O (b) Be or Ba (c) Se or Ge

Q: An important starting material for the manufacture ofpolyphosphazenes is the cyclic molecule…

A: Introduction- The (NPCl2)3 is hexachlorotriphosphazene is an inorganic polymer. It is a trimer of…

Q: Which of the following would exhibit the greatest amount of covalent bonding (have the lowest…

A: Electronegativity is the tendency of an atom to attract shared pair of electrons. Electronegativity…

Q: 27. Which of the following statements is/are true? Correct the false statements. a. It is impossible…

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Q: (a) Why do stable xenon fluorides have an even number of F atoms? (b) Why do the ionic species XeF₃⁺…

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Q: 1. Write the electronic configuration and llustrate the orbital diagram of the element Rb. 2.…

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Q: Two possible Lewis structures for the cyanate ion are shown below, with formal charges (FC)…

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Q: What is the lattice energy of CaBr2? Use the given information below. Heat of formation for CaBr2 =…

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Q: 8. A. Below are two different Lewis structures for the thiosulfate ion (S2032). Which is the better…

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Q: 10. Which of the following is the most electronegative? ○ carbon ○ phosphorus ○ sulfur ○ oxygen 11.…

A: 10. We have to determine most electronegative element from Carbon , Phosphorus , Sulfur , Oxygen…

Q: 29. Which of the following particles has a central atom that does NOT obey the octet rule in its…

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Q: 53. The combustion of glucose, CH1,O, forms carbon dioxide gas and water vapour. When a 1.00 g…

A: