Explain why graphite can conduct electricity, but diamond does not.

Q: Describe the difference between these two classifications of  solids: 1. Crystalline Quartz 2.…

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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: What do amorphous forms of graphite include?

A: What do amorphous forms of graphite include has to be given.

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

A: Crystals are basically solid materials that are arranged in a particular organized way. Both types…

Q: 10. Explain why graphite conducts electricity whereas diamond doesn't. - (include a diagram in your…

A: Graphite is a good conductor of electricity since each carbon atom is linked to three of its…

Q: What are the two types of layer arrangement in metals? Which has the closer packing?

A: The two types of layer arrangement in metals are : Simple Squares Hexagonal Layer   Simple squares…

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: What allows graphite to conduct electricity?

A: Graphite is the most stable allotrope of Carbon. It is the only non-metal that conducts electricity.…

Q: 7. What type of substance is graphite? a. lonic d. Metallic b. Network covalent e. None of the above…

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Q: explain why graphite is a good solid lubricant

A: Why graphite is a good solid lubricant ?

Q: Why crystal is a widely used material? Why amorphous material is so brittle?

A: Amorphous material are nonequilibrium material whose characteristic atomic arrangement is more like…

Q: Explain why diamond is harder than graphite. Why is graphite an electrical conductor but diamond is…

A: We know that both diamond and graphite are made of carbon. However, diamond is harder than graphite…

Q: Carbon forms a number of allotropes, two of which are graphite and diamond. Silicon has a diamond…

A: Graphite is an allotrope of carbon which is made up of hexagonal carbon rings in which each carbon…

Q: Draw a picture that represents an amorphous solid at the atomic level?

A: The picture which represents amorphous solid at atomic level has to be given.

Q: 5) Calcium has a face-centered cubic structure. If the atomic radius of calcium is 231 pm, calculate…

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Q: Explain why diamond is harder than graphite and why is graphite an electrical conduct but diamond is…

A: Carbon has two main allotropic forms - diamond and graphite. These both Allotropes contain Covalent…

Q: . Explain the relationship between the number of bonds that can be formed by a typical atom in a…

A: The structure of the substance is affected by number of bonds in a compound, when the bonds formed…

Q: The density of gold is 19.29 kg/dm3. In addition, gold has a face centered cubic unit cell.…

A: Given,  Density of Au = 19.29 kg/dm3  Cubic unit cell = face centered cubic Calculate the radius of…

Q: Why glass is regarded as an amorphous solid?

A: Given: Glass is regarded as an amorphous solid

Q: Explain why the atomic structure of diamond is different from the atomic structure of graphite?

A: it has a crystalline lattice each carbon in diamond is SP3 hybridized and attached with other Carbon…

Q: Use the hybridization and structures of graphite and diamond to explain why graphite conducts…

A: The objective of the question is to explain the reason behind the good electrical conductivity of…

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: Increasing the temperature will affect the conversion of graphite to diamond form? Express it in…

A: Carbon and its allotropes: The element with atomic number 6, symbol 'C' and belonging to group 14 is…

Q: What is difference between the structure of diamond and graphite?

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Q: Determine if the following compounds are metallic solids, ionic solids, network atomic solids,…

A: Intermolecular forces refer to the type of interactions which are present in between atoms or…

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: Name and describe the different allotropes of carbon.

A: Carbon has several allotropes, namely, graphite, diamond, fullerenes, nanotubes, graphene, and…

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: 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: Calculate the density of each of the following metals from the data given: (a) aluminum, fcc…

A: Given: (a) fcc structure and atomic radius of 143 pm. (b) bcc structure and atomic radius of 227 pm.

Q: Sketch a diagram to illustrate the band structure of diamond, assuming no defects

A: The carbon atoms in diamond undergo hybridization and each carbon atom forms four sigma bonds with…

Q: (a) What are the C¬C¬C bond angles in diamond?(b) What are they in graphite (in one sheet)? (c)…

A: a) The C-C-C bond angle in carbon is 109.5 degrees. Here all the carbon are sp3 hybridise and…

Q: Explain why the melting temperature of diamond is more than 10 times higher than that for…

A: In structure of diamond one carbon is bonded to 4 other carbon atoms making a 3D network making a…

Q: Why does graphite conduct electricity?

A: Graphite is an allotrope of carbon. It is a covalent solid. It has a trigonal planar geometry. The…

Q: What features can be used to distinguish a crystalline solid from an amorphous solid

A: Crystalline Solids :- The constituent particles are arranged in a regular or defined order. It…

Q: Nickel has a face-centered cubic structure and has a density of 8.90 g/cm3. Calculate its atomic…

A: Given, the density of nickel = 8.90 g/cm3 It is also given that nickel has face-centered cubic…

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: Silicon carbide (SiC) is an example of what type of solid? molecular covalent network ionic…

A: We have to find out nature silicon carbide

Q: What is the coordination number of atoms in the diamond structure?

A: A diamond is a precious stone and crystalline form of pure carbon with its arranged atoms.

Q: Aluminum has a cubic closest packed structure as a solid. Assuming that aluminum has an atomic…

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Q: What type of semiconductor is obtained when silicon is doped with arsenic?

A: Silicon belongs to group 14. It has atomic number 14 and has 4 valence e-. Arsenic belongs to group…

Q: What is the edge length in pm for a simple cubic with a radius of 145 pm?

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Q: Why is graphite soft lubricant and good conductor of electricity?

A: Graphite is a non metal having two dimensional sheet like structure where each carbon atom uses sp2…

Q: What are the most common types of polymorphism in crystals?

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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…