Niobium has an atomic radius of 0.1430 nm and a density of 8.57 g/cc. What is the crystal structure of niobium?

Q: In solid CsCl, the coordination numbers of the Cs and Cl ions are, respectively: Select one: O 6 and…

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Q: A metal crystallizes with HCP unit cell. Its density is 8.67 g/cm3 and atomic weight of 111.95…

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Q: Silicon (Si) has the diamond and GaAs has the zinc blende crystal structures. Given the lattice…

A: Given  For  silicon (Si)  has dimond like crystal structure i.e. zinc blend.  Therefore,      FCC…

Q: A metal has atoms with a radius of 186.8 pm. It crystallizes in a face-centered unit cell. It has a…

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Q: Sodium metal crystallizes in the BCC structure with an edge length of 4.29 x 10 A. The radius of…

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Q: aluminum (atomic mass 26.98 g/mol) crystallizes in a face-centered cubic unit cell. in addition,…

A: Given : Atomic mass of aluminium, Al= 26.98 g/mol And radius of Al atom, r = 143 pm = 143 X 10-10 cm…

Q: Of the five major types of crystalline solid, which does each of the following form, and why: (a)…

A: ANSWER

Q: The sodium chloride is an ionic compound. The chloride ions crystallize in a fcc and the sodium ion…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: energy in kJ

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Q: Describe and give examples of the following types of crystals: (a) ionic crystals, (b) covalent…

A: Crystals are the solid materials which is formed by the arrangement of atoms, molecules, ions, etc.…

Q: Of the five major types of crystalline solid, which does eachof the following form, and why: (a) Ni;…

A: a) Generally, the solids are classified into 5 types on the basis of the type of particle.

Q: Why does water form a concave lens in a test tube, whereas mercury forms a convex lens.

A: To find: Why does water form a concave lens in a test tube, whereas mercury forms a convex lens.

Q: Solid strontium chloride has the same kind of crystal structure as CaF2 which is pictured below: f…

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Q: Depending on the conditions, manganese (Mn) can exhibit different crystal structures. Under certain…

A: Given information: The density of crystal lattice of manganese = 6.245 g/cm3 The edge length of the…

Q: For items 4-5: The structure of the unit cell when CAF2 crystallizes is shown below: Question 4 What…

A: As the Ca2+ are present at corners and face centres, it is FCC structure. For BCC, the atom is…

Q: A metal crystallizes with HCP unit cell. Its density is 8.12 g/cm3 and atomic weight of 65.42 g/mol.…

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Q: How much heat energy is required to convert 74.9 g of solid iron at 29 C to liquid iron at 1538 "C?…

A: In this question, amount of heat energy required to convert 74.9 g of solid iron at 29 °C to liquid…

Q: An ice (H2O) crystal may be best described as which type of crystal? A)  ionic   b)  covalent  c)…

A: Molecular solids ; A crystalline solid that consists of molecules held together by intermolecular…

Q: 1.11 The crystal structure of sodium chloride (NaCl) is a simple cubic with the Na and Cl atoms…

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Q: Calcium has a cubic closest packed structure as a solid. Assuming that calcium has an atomic radius…

A: The given data contains, Atomic radius = 197 pm.

Q: Molecules in this type of crystal are held by dipole-dipole, dispersion and hydrogen bonding they…

A: We know that molecular solids are made up of atoms or molecules held together by London dispersion…

Q: Solid magnesium oxide has the same kind of crystal structure as NaCl which is pictured below: CI Na…

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Q: The crystal that is bound together by weak forces generally has а. high melting point b. low melting…

A: In this question, we will see that what happened in melting point of a crystal when it's have weak…

Q: crystallography

A: In X-ray crystallography, we used Bragg's law to identify the lattices parameters of crystal system.…

Q: Aluminum has an atomic radius of 143 pm and forms a solid with a cubic closest packed structure.…

A: The edge length is calculated as, a2+a2=4r2a=8ra=8143 pma=404 pma=4.04×10-8 cm The edge length is…

Q: Describe the energetics of vaporization?

A: It is also called as enthalpy of vaporization. Vaporization enthalpy, also known as vaporization…

Q: 5 Examples of ionic crystals and its crystal structure (ex: scc, bcc, hcp, fcc)

A: Example, scc, fcc, bcc, hcp.

Q: th

A: The total number of bonds that an atom can form with its adjacent atom or the total number of…

Q: Aluminum crystallizes in FCC arrangement, Potassium forms BCC structure and Polonium follows an SCC…

A: Coordination number(C.N) is the number of nearest neighbouring atoms/ ions to the atom. FCC has C.N…

Q: Which statement describes ionic crystals?

A: As given crystals are ionic their will be ions and in ions their is strong electrostatic force of…

Q: At very low temperatures oxygen, O2, freezes and forms a crystalline solid. Which best describes…

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Q: A certain metal crystallizes in a body-centered cubic arrangement and has a density and atomic…

A: Density of a unit cell (ρ) The equation to find out the density of a unit cell is; ρ=mass per unit…

Q: Solid thallium(I) chloride has the same kind of crystal structure as CsCl which is pictured below:

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Q: What is the type of the crystal structure of the red solid [Co(NH3)SH2O]Cl;? What information about…

A: In the crystals, the constituent atoms/ions have their appropriate arrangement in the lattice…

Q: Nickel oxide (NiO) crystallizes in the NaCl type of crystal structure. The length of the unit cell…

A: We have to calculate the density of NiO.

Q: in metallic crystals a. How many types of close packing are known? Explain all types in detail. b.…

A: The packing of spheres in such a way such that they occupy maximum available space and left minimum…

Q: Copper iodide crystallizes in the zinc blende structure. The separation between nearest neighbor…

A: SOLUTION: Step 1: When copper iodide is crystallizes in the Zinc blende structure, the zinc blend is…

Q: 5. Chlorine gas (CI,) has a melting point of -101.5 °C and iodine gas (1,) has a melting point of…

A: In this question, we have to find out the correct answer of given problem by the help of the concept…

Q: A hypothetical metal has a simple cubic structure. If the atomic weight is 70.4 g/mole and the…

A: Given data contains, Atomic weight of the hypothetical metal is 70.4g/mol. Atomic radius is 0.126nm.…

Q: A metal crystallizes with HCP unit cell. Its density is 8.12 g/cm³ and atomic weight of 65,42 g/mol.…

A: Given: Density of HCP unit cell =  8.12 g/cm³ Atomic weight = 65,42 g/mol

Q: A metal has atoms with a radius of 176.9 pm. It crystallizes in a face-centered unit cell. It has a…

A: Face centred cubic unit cell is the unit cell in which atoms are present at corners as well as at…

Q: A metal has the CFC crystalline structure, density of 7g / cm3 , and an atomic weight of 44g / mol.…

A: solid state  finding out radius of FCC system

Q: Cobalt metal crystallizes in a hexagonal closest packed structure. What is the coordination number…

A: Coordination number tells about the number of nearest atoms in contact.

Q: . The number of nearest neighbors that an atom or ion has in a crystal structure is known as?…

A: Co-ordination number is the number of atoms, molecules are ions directly surrounding a single…

Q: An oxide of rhenium crystallizes with the unit cell shown here (rhenium =gray; oxygen = red). What…

A: As shown in figure, Re is present at corners and O is present at edge center. Number of Re atoms in…

Q: Nickel has a FCC crystal structure, an atomic radius of 0.125 nm, and an atomic weight of 58.68…

A: Given,  Nickel has a FCC crystal structure  Atomic radius of Ni = r = 0.125 nm  Atomic weight of Ni…

Q: Paradichlorobenzene is a white crystalline solid which is very soft, has a low melting point, and is…

A: Given compound is :  Paradichlobenzene  Options are :

Q: A metal crystallizes in the face-centered cubic crystal structure with a unit cell edge of 3.52 x 10…

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Q: 10) Assume that boron is used to dope silicon. If boron dopant concentration uniform and has a value…

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