Consider the diagram below. Which of the following most accurately describes the polygon in the diagram? A A regular heptagon B An irregular convex heptagon An irregular concave heptagon D A complex heptagon

Q: Three point charges are located at the corners of an equilateral triangle as in the figure below.…

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Q: Determine the point groups of the following unit cells: a. Face-centered cubic b. Body-centered…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: The system has the least symmetry among the seven crystal systems. triclinic monoclinic rhombohedral…

A: Option A is correct answer Triclinic

Q: How to calculate octahedral voids ?

A: Given question is : How to calculate octahedral voids = ?

Q: 5. Identify the index of plane for the given unit cells below. 0,0,0 0,0,0 (a) (b) 1/2 1/4

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Q: Use molecular orbital diagrams to explain the differences between graphite and diamond.

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Q: Some different views of an octahedral symmetry metal com

A: There are two types of ligand π acceptor or π acid ligand and sigma donar ya sigma base ligand. The…

Q: Determine the radius of the smallest anion that can have (i) sixfold and (ii) eightfold coordination…

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Q: 9. For a two dimensional lattice with, a1= a az= a/2 (a) what is the area of a primitive cell? (b)…

A: a) What is the area of a primitive cell:- Answer:-    b) Show that the lattice is a rectangular…

Q: According to the crystal structure, which symmetry element does crystals of cis-[Co(en)2CI2]CI.H20…

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Q: 2.Why does   K4[NiBr6]  behave as a simple Curie paramagnet , but K2 [NiBr4] exhibit complex…

A: The spontaneous magnetization disappears at the Curie temperature, Tc.  Magnetization can still…

Q: Which of the following is expected to have the smallest HOMO-LUMO gap? A) B) C) D) A C B.

A: If wavelength increases HOMO-LUMO gap decreases.

Q: Which objects are asymmetric (have no plane of symmetry): (a) a circular clock face; (b) a football;…

A: Asymmetric objects have following properties: 1. Asymmetric objects are non super-imposable on its…

Q: Sketch the Miller plane in a unit cell (1-31)

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Q: Which of the following items are isostructural? A. NO3– B. NO2– C. NO2+ D. O3

A: Isostructural species have same shape and hybridization at central atom.

Q: 4.1 Define the following terms: (a) Polymorphic substance. (b) Hexagonal closest packing.

A: It is derived from Greek Word; Polymorphs. Where ''poly'' means many and ''morphe'' means shapes. A…

Q: 14. Show analytically that five fold rotation axis does not exist in a crystal lattice.

A: Detail explanation why Crystal lattice does not have five rotation axis is given below.

Q: Objects that are associated with trigonal bipyramidal and octahedral.

A: Interpretation-  To tell about that objects that are associated with trigonal bipyramidal and…

Q: A metal with molar mass of 46.15g/mol crystallizes in a face-centered cube with edge length of 392…

A: In a face centered cube unit cell one atom exist in the center and eight 1/2 atom lies in each face…

Q: Explain and discuss the difference between the 2-Dimensional and 3-Dimensional structure of…

A: We have to Explain and discuss the difference between the 2-Dimensional and 3-Dimensional structure…

Q: When the paramagnetic species are very close together, or are separated by a species that can…

A: Paramagnetic species are the species that contain one or more unpaired electrons. When they are…

Q: Describe the difference between body-centered cubic and facecentered cubic structures.

A: The difference between body centered cubic and face centered cubic structures are given in the below…

Q: Name the funtional groups of this graph

A: The functional groups are structural units belonging to a molecule that are responsible for a…

Q: Calculate the planar density of the [111] plane in FCC

A: To find: The planar density of [111] plane in FCC

Q: Iridium forms a face-centered cubic lattice, and an iridium atom is 271 pm in diameter. Calculate…

A: Iridium forms an FCC lattice diameter of an iridium atom = 271 pm                      radius of…

Q: 9. In the graphic below we have two types of materials X and Y: i) a & b refer to material "X" in…

A: Answer: Paramagnetic materials are weakly attracted by the external magnetic field and they…

Q: The picture shown is a schematic of what plane? (Note that the height and width of the square are…

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Q: what is the magnetic moment of diamagnetic substances?

A: Diamagnetic substances does not possess permanent magnetic dipole moment.  When these substances are…

Q: 11) Pyroelectric crystals have the feature: a) Being anisotropic b) Having no inversion center c)…

A: Given,  Pyroelectric crystal have the feature : Options are : a). Being anisotropic b). Having no…

Q: Two coordination spheres for MnCl3(CN)3

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Q: What is the true density of Zr, an HCP crystal, in g/cm3? Atomic Number = 40  Atomic Weight = 91.22…

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Q: : Identify all the symmetry elements in the following solid-state structures: a. a body-centered…

A: The symmetry elements present in the given solid state structures.  A symmetry elements is a point,…

Q: Order the following from most to least dense. Hexagonal closest packed(HCP), body centered…

A: The ratio of the volume occupied by the spheres to the total volume of the unit cell is called as…

Q: What is the stoichiometry for Fe3O4? What point defects will be associated with a Frenkel defect in…

A: The iron oxide Fe3O4, the mineral magnetite once in a while called ferrosoferric oxide, is…

Q: Iridium forms a face-centered cubic lattice, and an iridium atom is 271 pm in diameter. Calculate…

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Q: Complete the equation for calculating the face diagonal of a simple cubic unit cell.   face…

A: A cube has a total of 6 square faces. Face diagonal of a cube is the diagonal of any one of the 6…

Q: Draw a submicroscopic representation of oldhamite

A: Interpretation -  To draw a submicroscopic representation of oldhamite -      Introduction -…

Q: Define allotropy. Describe different allotropes of Carbon including  a) diamond, b) graphite and…

A: Allotropes are forms of the same element which have either exist in the same or different physical…

Q: Calculate the APF for: (a) Simple cube (SC) and (b) Body-centered cubic (BCC) structures.

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Q: NOT: answer all questions Ql: find the miller induces and d distance between plans if crystal…

A: Definitiоn   •  Miller  indiсes  аre  used  tо  sрeсify  direсtiоns  аnd  рlаnes.  •  These…

Q: Explain what the major difference in the XRD patterns of base-centered and body- centered…

A: Orthorhombic Unit cell: Orthorhombic unit cell is one of the 7 unit cells.

Q: 9. For a two dimensional lattice with, az= a/2 O- T/3 a1= a (a) what is the area of a primitive…

A: The explanation is given below

Q: indicate

A: Dear student I have given answer to your question in the image format.

Q: cion 2 Tridium (192.2 g/mol) crystalizes in a face centered cubic lattice. Iridium has a density of…

A: The relationship between density and volume is as follows,…

Q: 8. a) Show that a two-dimensional lattice may not possess a 5-fold symmetry. b) Establish the fact…

A: Although objects themselves may appear to have 5-fold, 7-fold, 8-fold, or higher-fold rotation axes,…

Q: What kind/type of force does Schottky defects induces on its neighboring atoms? Explain.

A: Schottky defect: The Schottky defect is a type of point defect formed by a vacant position in a…

Q: Determine the radius of the smallest cation that can have (i) sixfold and (ii) eightfold…

A:

Q: Define polymorphism and allotropy. Give ONE example of materials that have polymorphic…

A: Polymorphism: Polymorphism can be defined as the ability of a substance to crystallize into…