[Review Topics] The density of polonium metal is 9.2 g/cm. If the extended lattice of polonium exhibits a simple cubic unit cell, estimate the atomic radius of polonium. Radius = T Ipm Submit Answer Retry Entire Group 9 more group attempts remaining

Q: A metallic element with a cubic close-packed (ccp) crystal structure has a density of 22.56 g/cm³…

A: Given: The density of the crystal, (d)=22.56g/cm3. The molar mass of the element, (M)=192.2 g/mol.…

Q: For which elements would you expect to find coordination numbers above eight? a. only for thed block…

A: Coordinator compounds above coordination number 8 .

Q: Calculate the thermal energy transfer required to melt 10.0 g of chromium at its melting point.…

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Q: 2. What is the coordination number structure formed by most semiconductors and electronic materials…

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Q: Shown below is a key diagram that helps to explain silica-based glass. Describe this diagram as…

A: The following picture represents all the details that can be derived from the above given image.

Q: Tantalum is a rare, hard, blue-gray, lustrous transition metal that is highly corrosionresistant. It…

A: Density of a substance is defined as the mass of a substance per unit volume of that substance. The…

Q: Metamorphic rock is formed through and F heat, pressure G fire, cooling H weathering, erosion J…

A: F) HEAT AND PRESSURE IS THE CORRECT ANSWER . Metamorphic rocks form when rocks are subjected to high…

Q: Please help me and double and triple check your answers my grade depends on this

A: According to the given representation of unit cell, mercury atoms are present at the corner and at…

Q: How much heat is released or absorbed in the reaction of 10.0 grams of SiO2 (quartz) with excess…

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Q: Which has higher symmetry: Crystobalite or Quartz? Explain.

A: This is higher symmetry in: Crystobalite   Crystobalite-         cristobalite is (mineral) a…

Q: Explain silicate with structure and examples

A: Hii there, As there are multiple question posted. we are answering first question. If you need…

Q: All group II elements have.... Select one: a. different crystal structures b. body-centered cubic

A: a b

Q: e coordination number for

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Q: Chalcopyrite (CuFeS), is an important source of copper. A typical chalcopyrite ore contains…

A: In a reaction, the amount of product formed depends on the amount of reactant reacted. The…

Q: theoretical density

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Q: Copper has an atomic radius of 0.128 nm (1.28 Å), an FCC crystal structure, and an atomic weight of…

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Q: Check which of the following statements are true or false and check the correct alternative. 1- The…

A: 1.The metals with hexagonal packaging structure tend to be relatively brittle .TRUE Hexagonal…

Q: Left figure: Oxygen ions - green spheres, Calcium ions - purple spheres, Titanium ion – tan spheres…

A: The crystal unit cell has calcium ions at 8 corners, oxygen ions at 6 face center & titanium ion…

Q: 40. The elements Si and P are added to steel to improve its properties in electric motors, and some…

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Q: When performing gravimetric analysis, ______ is used to obtain larger crystals with fewer…

A: Occlusion - it is a type of coprecipitation impurity. It occurs when absorbed impurity gets…

Q: the process that gives time to the crystal to grow with the accompanying decrease in surface area…

A: The process in which a precipitate is heated (without stirring) for an hour or more in the solution…

Q: A- both statements are true

A: 1. Kaolinite is a clay mineral composed of a silica tetrahedral sheet and alumina octahedral sheet…

Q: elect an orthorhombic unit cell that indicates the locations of thel-0 and- 4 3 4 point indices.…

A: (1,1/2,0) represents ( x,y,z) coordinates .

Q: Alkali halides do not show Frenkel defects because (a) cations and anions have almost equal size (b)…

A: Please find your solution below : Frenkel  defect is a type of defect in solid ionic crystals. It…

Q: 37. A cubic close-packed structure has an a. ABCABC...pattern of layers and a coordination number of…

A: 37. In the unit cell of cubic close packed structure there will be four layers of atoms. The top and…

Q: c) What is the oxidation state of xenon in XeO4 and XeF6. (Show your work)

A: The Xe element belongs to the noble gas family. The noble gases are inert in nature.

Q: Why does silica operate at highly temperature

A: Silica is widely used in industry. Since it can withstand high temperature.

Q: Type of silicate mineral Anion Formula Do not include OH- Anion Charge  (If it is 0 then make…

A: A silicate is any member of a family of anions consisting of silicon and oxygen, usually with the…

Q: melting point of aragonite and aquamarine?

A: Asked  that melting point of Aragonite, and aquamarine.

Q: MCQ 19: Group IV clement that acts as an insulator is A. Carbon (Diamond) B. Tin (Sn) C. Lead (Pb)…

A: The energy gap between valance band and conduction band determines wheather an element will conduct…

Q: Using bonding principles, account for the decrease in the melting points of the alkali metals. (b)…

A: Melting point depends upon the bonding between the electrons stronger the bonding higher will be the…

Q: Draw the crystal structure for the lattice vector below a, = 4x ā, = 4ŷ and az = 32

A: We have solid-state everywhere. And they tend to have perfect structures and shapes. Fluids don't…

Q: What are silicates? What is quartz?

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Q: PdB0.15 is a which type alloy

A: In substitutional alloy some of the atoms composing the metallic crystals aresubstituted with atoms…

Q: Identify the crystal structure of all metals with symbol on each crystal structure type. Except for…

A: Some of the major ones are as follows

Q: Amining crew extracted two different types of minerals from underground. Then, they transferred the…

A: In order to bring about any change in the reaction, the reactants should acquire the energy in order…

Q: Which of following materials is more electrical conductivity a) materials of ionic bond b) materials…

A: Conductivity is the measure of the ease at which an electric charge can pass through a material. A…

Q: Na Crystalizes in BCC structure. If atomic radius of Na is 0.186 nm. A = 23g/mol find:  a. edge…

A: For BCC structure, the no. of atoms are present in lattice = 2.  The relationship between edge…

Q: The table below lists some properties of three carbon allotropes. Explain, from a molecular…

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Q: wo researchers are to produce non-ferrous alloys materials. Researcher A is producing cast lloys…

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Q: Why polycrystalline form of a material is stable than single crystalline form?

A: All matter can be classified as solid, liquid, and gases mainly. In these physical states of matter,…

Q: Question Three (a) Explain the following terminologies: i. Crystallinity ii. Allotropy iii.…

A: i. Crystallinity - Crystallinity can be defined as the degree of long-range structural order…

Q: Graphite has layered, structure Three dimensional structure .a Planar.b Pyramidal.cO Bipyramidal d

A: Structure of graphite

Q: The hypothetical metal is said to contain various crystalline defects. Explain the role of defects…

A: Crystal Defects is imperfection of regular geometrical shape. This happenes due to change of…

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.