Transition metals in their ores are colored a. True b. False   Which of the following substances is an example of covalent crystal? a. sugar b. diamond c. Ice d. salt

Q: b) State TWO type of crystal structure, each with ONE example that exist in most common metals.

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Q: Figure 1. Square and rhombic unit cells in 2D layers. Use the visualization tool, and the discussion…

A: Introduction :  Lattice structure can be defined as the basic repeating 3D block representation of…

Q: 1. Use the internet and your data table to figure out which of the following COVALENT NETWORK SOLIDS…

A: Answer :

Q: Explain why water forms into beads on a waxed car finish.

A: Since we know that a polar molecule dissolves in polar molecule and a non polar molecule dissolves…

Q: Metals have high melting point because a. the electrons are mobile b. of close-packed arrangement…

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

Q: MCQ 72: Metals are good conductors due to A. ionic lattices B. crystalline lumps C. mostly solids D.…

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

Q: ered internal lattice structure

A: Any type of crystal material is made up of constituting atoms. In such crystal the molecules or…

Q: (ii) Alloys have similar structures to pure metals. Give a labelled diagram that shows the structure…

A: Alloys have been used extensively since many decades and are generally obtained by addition of two…

Q: a) Solid materials may exist in the crystalline form, either as a single crystal or a…

A: Crystalline material -  A crystalline material is that material in which the atoms are situated in a…

Q: number of nearest neighbors

A: A crystal is defined as a material whose constituents(molecules, atoms or ions) are arranged in…

Q: Figure 1. Square and rhombic unit cells in 2D layers. Use the visualization tool, and the discussion…

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Q: Using the structure below, determine the experimental formula for the compound. a. The number of…

A: a) The number of cations in the unit cell= 8 b) The number of anions in the unit cell= 4 So, the…

Q: Discuss the importance of understanding in crystal structure of metal and why different crystal…

A: Topic- Crystal nature of the metals

Q: Using your own words, discuss defects in crystalline structure and discuss two types of point…

A: •DEFECTS IN CRYSTALLINE SOLIDS:- ) POINT DEFECT:-The defect present around an atom or point in…

Q: How would YOU compare the texture of diorite with the texture of gneiss? Answer in a complete…

A: Diorite: Diorite is a grey to a dark-grey intermediate intrusive igneous rock composed principally…

Q: draw the 2D network structure of crystalline

A: Crystalline lattice is a periodic array of atoms. Examples include diamond, metals, salt etc.

Q: alloys are prepared with a view to impart some desirable properties. what are these properties?

A: The mixture of two or more elements present in a fixed composition in which major component is metal…

Q: What is one layer of graphite called?

A: Introduction: Graphite:Graphite is an allotrope of carbon. It is also known as plumbago. It is…

Q: Describe the Heat conductibility and Brittleness of Metallic Crystals, Ionic Crystals, Molecular…

A: Solids (crystals) are of four types: Metallic crystals Ionic crystals Molecular crystals Covalent…

Q: 58. Define the equilibrium vapor pressure of a substance. How and why does it depend on temperature?…

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Q: why most minerals have ordered internal lattice structure yet this attribute does not influence…

A: A formal definition of a mineral, as used by geologists would be: A naturally occurring inorganic…

Q: Use sketch diagrams to show the 110 and 211̅ lattice plane for a tetragonal crystal.

A: in this systempresence of  three mutually perpendicular axes, two  are equal in length.   TETRAGONAL…

Q: KF has the same type of crystal structure as NaCl. The unitcell of KF has an edge length of 5.39 Å.…

A: NaCl is Face centered cubic crystal. It is given in the question KF is also face centered cubic…

Q: <p>Explain why the graphite structure of carbon allows graphite to be used as a lubricant, but…

A: In graphite, flat sheets of carbon are connected together in the form of interconnected hexagonal…

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: b) How many tetrahedral and octahedral interstitial sites are there per hcp unit cell? Explain your…

A: A regular arrangement of constituent particles in three dimensional space is call space lattice and…

Q: This is the overall result of the attractive and repulsive forces a crystal contains: A. Lattice…

A: B. Lattice Energy

Q: E You are given a white substance that melts at 1500 °C. The substance is brittle and soluble in…

A: Properties of given substance Substance melts at temperature 1500°C Substance is brittle Substance…

Q: INTERPARTICLE FORCES 129 4. The melting points of Na and Mg at 1 atm are 98°C and 650°C,…

A: Noble gas shorthand electron configuration is the way of writing any element's electron…

Q: lattice structure of CsCl is shown below. What

A: We have to tell which option is correct from given choices of options by telling which type of unit…

Q: 10. Universal Testing Machine can be used to conduct both tensile and compressive testing. a) True…

A: Hello. Since multiple questions have been posted, the first question shall only be solved in this…

Q: 16 1) What type of solid alloys are formed when a small atom occupies the holes within the lattice…

A: Solid alloys formed when small atom occupy the hole within the lattice of the metal ...?

Q: Which of those molecules can be considered as a highly aperiodic crystal

A: A crystal which is not having these properties : ideal, sharp diffraction peaks on the positions of…

Q: explain why graphite can be used as a lubricant

A: Lubricants are the substances or compounds which are used to reduce friction between two movable…

Q: packing, what is the cell type of CsCl? a. simple cubic b. body-centered cubic c. face-centered…

A: Unit cell is the smallest repeating unit of structure of a crystal.

Q: Compare the crystal structure of diamond (C) and zinc blended (ZnS). What are the key similarities…

A: Similarities:  Both diamond and zinc blend have FCC lattice structure. Each carbon atom in diamond…

Q: Most minerals (~90%) form by ionic bonding. But some bond my electron sharing. What are these bonds…

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Q: Simple cubic a - R relationship Number of atoms/cell APF Coordination Number

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Q: How do you describe the crystalline structure, and how does it form? What is the crystalline…

A: According to question it is asked to describe the crystalline structure,how it forms,crystalline…

Q: A portion of the latice of a compound between potassium (large shaded circles), fluoride (large…

A: Ionic structures of any crystal lattice defines about how the ions are bonded by the electrostatic…

Q: Identify the 1ons that would occupy lattice sıtes in a solid sample of (Enter multiple answers as a…

A: Ionic compounds consists of a positively charged ions that are held together by ionic bond, the…

Q: Network covalent substances have the highest melting points of all substances. Is it true or false?…

A: Given statement,Network covalent substances have the highest melting points of all substances.

Q: Q1/ There are three alloys ( A,B ,C) have atomic wieght, desity, and atomic radus as listed in…

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Q: Simple cubic cell can be generated be generated by placing a layer above and below this layer in…

A: The simple cubic cell is a cube with an atom on each corner. The only element that displays SCC at…

Q: Why are the close pack directions important feature in crystal structure? (one sentence only)

A: To give the importance of close pack directions in crystal structure?

Q: 2. How to find what a materials crystal structure is? (FCC, BCC or neither FCC or BCC or

A: We have to tell how to detect a material crystal structure is either FCC, BC, or neither FCC, or…

Q: With proper reasons justify at room temperature why silicon is opaque and silicon dioxide is…

A: The silicon ( Si) (Z=14)  is opaque at room temperature. The silicon dioxide (SiO2) transperent at…

Q: Choose the compound that has the lowest surface tension. (Consider intermolecular forces) Не Li Be B…

A: Answer:- This question is answered by using the simple concept of surface tension which is directly…