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Q5-Define: mole, electropositive element, polymorphism, Anisotropy, Heisenberg's uncertainty principle.
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- Mixing SbCl3 and GaCl3 in a 1:1 molar ratio (using liquid sulfur dioxide as a solvent) gives a solid ionic compound of empirical formula GaSbCl6 . A controversy arises over whether this compound is (SbCl2+)(GaCl4) or (GaCl2+)(SbCl4) . (a) Predict the molecular structures of the two anions. (b) It is learned that the cation in the compound has a bent structure. Based on this fact, which formulation is more likely to be correct?IFAlpQLScakc2oiU1j3vsokCjqyudKH4ybxoMKBEeKDXwavuseJlGpDg/viewform?hr_subm irect contaminatio... Which of the following correctly lists the elements in order of increasing electronegativity? *lowest -> highest.** Lead, Cesium, Radon Radon, Cesium, Lead Cesium, Lead, Radon• draw and label an atomic/molecular level depiction that explains the observedproperties below.• Then use the drawing to explain how the type of bonding in the element leads to itsobserved properties. 1) Bromine: Br2, mp 266 K, brown liquid, easily vaporized (bp 332 K). At temperatures above 1000K, Br2 dissociates.
- (f) Aluminium is a metal in Group III. Describe the bonding in aluminium. Include a labelled diagram and any appropriate charges in your answer.Calculate the lattice energy of KCI(s) using the following thermodynamic data (all data is in kJ/mol) K(s) AHsublimation = 69 kJ/mol K(g) Ionization energy = 399 kJ/mol CI-CI(g) Bond energy = 223 kJ/mol Cl(g) Electron affinity = -369 kJ/mol KCI(s) AH°r= -457 kJ/mol kJ/mol2) Using principles of chemical bonding and/or intermolecular forces, explain each of the following: (a) MgCl2 and SiCl4 (b) MgCl2 and MgF2 (c) F2 and Br2 (d) F2 and N2 (e) Molecules of NF3 are polar, but those of BF3 are not. Note: Please Briefly Explain
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