closest-packed sulfide ions with zinc(II) ions occupying all of the tetrahedral interstices     closest-packed sulfide ions with zinc(II) ions occupying 1/2 of the tetrahedral interstices     closest-packed sulfide ions with zinc(II) ions occupying 1/4 of the tetrahedral interstices     closest-packed zinc(II) ions with sulfide ions occupying all of the tetrahedral interstices     closest-packed zinc(II) ions with sulfide ions occupying 1/2 of the tetrahedral interstices     closest-packed zinc(II) ions with sulfide ions occupying 1/4 of the tetrahedral interstices

Q: Among well-known structure types, NaCl, Zinc Blende (ZnS), Wurtzite (ZnS), Rutile (TiO2), Fluorite…

A: Structure of ionic crystals--- Ionic crystals Coordination number NaCl Na+ = 6 Cl- = 6 ZnS…

Q: Given the HCP crystal diagram, what is the index (vector/plane) as indicated inside the unit cell…

A: Answer: The  hexagonal close packed crystal diagram (HCP) is shown here.

Q: Calculate the radius of an iridium atom, given that Ir has an FCC crystal structure, a density of…

A:

Q: Kl is metallic,  ionic, molecular or network covalent ? Zn is metallic, ionic, molecular or network…

A: KI is ionic .        Zn is metallic solid.          C2H2 is covalent.

Q: An element has hcp packing with a hexagonal unit cell. Its density is 21000 kg/m3 and the unit cell…

A: The density of HCP molecule can be shown as:Where, d is density of cellM is molar mass of elementA3…

Q: Strontium titanate is a semiconducting material that crystallizes into a perovskite structure. The…

A: The Answer to the following question is -

Q: if all of the following are in solid phase which is considered a non bonding atomic solid I2 Ne…

A: A question based on atomic structure that is to be accomplished.

Q: A. What is the empirical formula of the ionic compound? B. What is the coordination number of the…

A:

Q: Na+ (a) If you consider only the Na+ ions, still be described as having a O body centered cubic unit…

A: In the lattice structure of NaCl, if we consider only Na+ ions, we are to discuss the structure.

Q: Which unit cell has the greater packing efficiency, simple cubic or body-centered cubic ?

A:

Q: By drawing a hexagonally close-packed layer of atoms in two dimensions, explain why there are two…

A: Hexagonal close-packed layer of atoms refers to the layers of packed atoms such that the atoms…

Q: Replacement of aluminum ions in kaolinite with magnesium ions yields a compound with the formula…

A: Oxidation number is the charge on the ion of an atom. Oxidation state represents the number of…

Q: The mineral clausthalite is composed of lead selenide (PbSe). This mineral adopts the NaCl structure…

A: Unit cell can be defined as the repeating unit in crystal structure.

Q: Pls help on both questions.

A: Valence bond theory is the theory of molecular orbital theory which is developed to use methods of…

Q: As a solid CrCr adopts a body-centeredbody-centered cubic unit cell with an edge length of 289…

A: Edge length, a = 289 pm 1 pm = 10-10 cm a = 289 × 10-10cm For BCC, Number of atoms per unit cell = 2

Q: What is the difference between Asthenosphere and Lithosphere? O Lithosphere is rigid and…

A: Earth chemistry

Q: Which of these band diagrams is consistent with diamond being an electrical insulator? Ge is a…

A: Conductor is substance which conduct electricity and insulator is substance which do not conduct…

Q: QUESTION 5 Consider two different metals: Metal X and Metal Y. Metal X crystalizes into BCC…

A:

Q: 3. Thermochromic Compounds Both Ag2Hgl4 and Cu2Hgl4 are thermochromic – they change colors at a…

A: The unit cell of lattice of Cu2HgI4 is where the iodide ion is a sites of FCC and cations Cu+  and…

Q: The number of vacancies in a metal decreases by a factor of 6. When Temperature is decreased from…

A:

Q: Calculate the number of molecular orbitals present in the valence band of a lithium crystal with a…

A: Given: Mass of lithium crystal = 2.52 g And we know that the molar mass of lithium = 6.941 g/mol

Q: NaCl has a: a) Cubic close

A: We have to tell which type of packing structure does NaCl has

Q: Calcite (CaCO3) structure compared to Dolomite ((Ca,Mg)CO3) 1. What is the coordination number of…

A: Coordination number of an atom is the number of other atoms to which it is bonded. The coordination…

Q: What are the three types of shape selectivity displayed by zeolites? Explain each of them and these…

A: Zeolites are microporous, three-dimensional crystalline solids of aluminum silicate. Thus, zeolites…

Q: What is meant by the term coordination number in the structure of a solid? How does the coordination…

A:

Q: Define What is HIGH COPPER CONTENT ALLOYS? Also, what is its properties and applications?

A: Answer - According to the question - High Copper  content  Alloys are copper alloys, containing more…

Q: The energy gap of GaAs is 1.4 eV, a lot higher than that of Ge, the element between them in the…

A: The objective of the question is to identify the reasons why  is having a higher band gap than .

Q: Which of the following structures is based on the cubic close-packing of cations?

A: Out the given compounds, CsCl is based on the cubic close-packing of cations. The Cs+ or Cl- ions…

Q: The second transition series are metals that crystallize in one of different lattice structures. The…

A: The second transition series are metals that crystallize in one of different lattice structure, The…

Q: Name the two most important allotropes of sulphur. Which one of the two is stable at room…

A: The two most important allotropes of sulfur are given below, That is, Rhombic form and Monoclinic…

Q: Magnitite ( Fe3O4) is a naturally occurring ferrimagnetic  material  with an inverse spinel…

A: Compounds with normal spinel structure are ZnFe2O4, MgAl2O4, CoAl2O4 where A atoms occupy the…

Q: Which of the following is a covalent network solid? Ophosphorus brass barium hydroxide carbon…

A: Answer:- This question is answered by using the simple concept of covalent network solid which are…

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: Identify the structure of each of the two-unit cells shown in Problem 47 as the rock salt structure,…

A:

Q: The structure of a unit cell of an oxide of niobium is depicted here. Niobiums are dark and oxygens…

A: A cube has 8 corners, 6 faces and 12 edges.An atom that is located at the corner of a unit cell is…

Q: The structure of the unit cell when CaF, crystallizes is shown below: What is the arrangement of the…

A: In CaF2 unit cell, each Ca2+ is surrounded by 8 F- atoms.

Q: GaAs is a compound semiconductor commonly used for LEDs. Talk about the chemical bonds and crystal…

A: Gallium arsenide(GaAs) is used to make LED thats because it makes PN junctions in a very efficient…