5. Iron has a BCC crystal structure, an atomic radius of 0.124 nm, and an atomic weight of 55.85 g/mol. Compute its theoretical density:

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: Why does sodium fluoride have a melting point of 993°C but nitrogen has a melting point of -210°C?

A: Please find your solution below : Melting point of any substance is defined as the temperature at…

Q: (a) If the effective mass of the electron is 0.17 me and the dielectric constant of Ge is 16, find…

A: We have to find radius of the first Bohr orbit of the electron.

Q: agnetic. How many unpaired electrons a in iron(II) and in iron(III) ions? I) ion: unpaired…

A: Aufbau principle states that electrons are assigned to orbitals in increasing order of energies. The…

Q: Kaolin is a clay material that is a phyllosilicate. Use charge balancing to determine how many…

A: In a compound every element will be in certain charged state. Sum of all the charged determines over…

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: Determine the number of bonding electrons and the number of nonbonding electrons in the structure of…

A: The structure of silicon dioxide is drawn as,

Q: 7. How many moles of white phosphorus (P4) fluoroapatite? can you produce from 1 ton of

A: The number of moles of a compound can be determined by the balanced chemical reaction. A reaction…

Q: A mystery element has an Atomic Weight of 195.084 g/mol and an atomic radius of 0.175nm. If this…

A: Formula used:-  d = Z×M/ a3× Na Where Z = number of atom per unit cell             M = molar mass…

Q: Molybdenum has a BCC crystal structure, an atomic radius of 0.1363 nm, and an atomic  weight of…

A:

Q: Silicon has a face-centred cubic structure with two atoms per lattice point, just like diamond. At…

A: Given : a = 543.1 pm

Q: Using the empirical formula Co(H20)3(SCN)2CI, draw the structures of TWO Linkage isomers (3…

A: Generally, the coordination compound is divided into different types of isomer such as geometric,…

Q: What are the coordination numbers of Mg and F ions in the crystal lattice structure of MgF2? Explain

A: In a crystal lattice structure, an atom is surrounded by a definite number of neighboring atoms.

Q: Using a band diagram explain why magnesium can be a metal even though its 3s level is full. Please…

A: The atomic number of magnesium is 12.The electronic configuration of Magnesium is written as…

Q: Find the density and IPF values ​​for cristobalite.  (Si4+ ion radius: 0.039 nm, O2- ion radius:…

A: In case of Cristobalite, the structure is Si4O8. 3a/4 = (0.039 + 0.132) nm = 0.171 nm.        a =…

Q: Nitrogen is found in nature as N2(g). Would you expect phosphorus to be found innature as P2(g)?…

A: Nitrogen has a smaller size due to which it forms p∏-p∏ multiple bonds with itself. It has high bond…

Q: An unknown metal with atomic radius of 0.175 nm forms an SCC structure. What is the density of the…

A:

Q: chalcopyrite (cufes2) is an important ore contains about 0.75% cu. what volume of sulfur oxide at 25…

A: Introduction  The most prevalent copper ore mineral is chalcopyrite, a copper iron sulfide. CuFeS2…

Q: Calculate the energy for vacancy formation (in J/mol) assuming that the density of the metal remains…

A: Matter exists in solid state also. Metals are in solid state. Temperature is the measure of hotness…

Q: how many iron atoms are in a mold of this alloy

A:

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

A: Given formula,      Mg3Si2O5(OH)4

Q: 2) Sodium is a bright, white, soft, and wax-like element dissolves in seawater, crystallizes in rock…

A:

Q: What cations appear in Biotite? K(Mg,Fe)3(AlSi3O10)(F,OH)2 Which cations occur in Biotite that also…

A: Biotite, also known as phlogopite, is a silicate-based minerals. The mineral is classified under…

Q: Tellurium forms a compound with fluorine in which the tellurium ion has an oxidation number of +4.…

A: The formula of an ionic compound is written by using electrical neutrality principle As per…

Q: Which of the following is an example of an alloy? A B C D steel salt water air iron

A: Alloy — alloy is mixture of two or metals. Example — bronze.

Q: On the basis of ionic charge and ionic radii, predict the crystal structure for KI by answering the…

A: Answer:Three dimensional arrangement of the ions or atoms of a solid is called as its crystal…

Q: Provide the correct formula for lead(IV) hypobromite

A: formula are written by using the fact that the oxidation number of cation and anion are cross…

Q: Which phosphorus nitride NP ,NP^+or NP^2- would be paramagneti

A: Substance which have a permanent dipole moment known as paramagnetic substance and substances which…

Q: Predict the structure of each of the following silicate minerals (network, sheets, double chains,…

A: a) In apophyllite (KCa4(Si8O20)F.8H2O), the oxygen and silicon ration is 2.5:1. From the table, the…

Q: 8a) Sketch a diagram showing the formation of energy levels from the valence orbitals for Rb, Rb2,…

A: a). We are given a crystal of Rb The formation of energy levels from the valance orbitals for Rb,…

Q: Identify the type(s) of bonding that would be expected for each of the following materials: (i)…

A: Attractive force that holds the constituent particles together is called a bond. There are different…

Q: BaTiOg has the perovskite structure shown below. The ionic size of Ba2", Ti*, and O2 are 0.161 nm,…

A:

Q: mineralization

A: Organic substance + O2 → CO2 + H2O

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: 1. Why is glass not a mineral?

A: Glass is transparent and brittle substance.Note: According to our company guidelines we can answer…

Q: Give explanations for the large drops in melting point fromC to Si and from Ge to Sn.

A: In the periodic table, the atomic size is decreases across left to right and up to down increases.…

Q: Estimate the density of iron that has BCC structure with an atomic radius of .133 nm, and an atomic…

A: Given,  Atomic radius = r = 0.133 nm  Atomic weight = M = 55.58 g/mole  Find density of the solid…

Q: 1. Based upon what you learned about periodic trends( Unit 3) and ionic compounds, determine which…

A: The electrons present at the shell shell and which take part in bonding are called the valence…

Q: Which of the following statements about titanium dioxide is false?   A. The titanium has a d0s0…

A: B) FALSE. Explaination TiO2 don’t have NaCl type structure instead rulite with a tetragonal…