Give two examples of ferromagnetic substances?

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: the Tetragonal system.

A: (2)Tetragonal system is one of the structural categories to which crystalline solids can be…

Q: ) Estimate the theoretical density of Lead with the following information. Crystal structure FCC.…

A: Given: FCC structure of lead crystal atomic radius=0.175 nm atomic weight=207.2 g/mol To find:…

Q: Write the definitions of the following terms a. Metal-organic b. Organometallic c. Band gap d.…

A:

Q: are all used in the manufacture of various semiconductor devices. Write the ex- pected electron…

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

Q: What is Oxide Ceramics? Demonstrate the advantages and disadvantages of ceramic materials compared…

A: Oxide ceramics are inorganic compounds of metals like aluminium, zirconium, titanium etc. or of…

Q: Specify which MAGNESIUM alloys gain strength by cold deformation and aging, specify how the aging…

A: Cold formation is a method to strengthen the the metal below the recrystalline temperature. Mg alloy…

Q: What is the difference in melting characteristics between a pure metal element and an alloy metal?

A: The difference in melting characteristics between a pure metal element and an alloy has to be given.

Q: Explain basing on bonding the differences in properties of: (a) Diamond and Graphite (b) Sodium and…

A: NOTE : Since you'e posted multiple sub-parts,we'll solve only first three sub-parts for you. To get…

Q: (a) Deduce the number of 3d electrons in the following ions Fe3+ , Cu2+. (b) Why do transition…

A: Since you have asked multiple questions, we are solving first questions for you. For remaining…

Q: Briefly define each term. a. orthosilicate b. amphibole c. pyroxene d. pyrosilicate e. feldspar

A: Since you are posted with multiple sub-parts. As per the rule, I am answering the first three…

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

A: a b

Q: Silicate (SIO4]4- has a Square planar aO Tetradedral structure b O Planar triangle.c Octahedral.d

A:

Q: Provide examples of metals with FCC structure and explain briefly why are they categorized as having…

A: We have to tell what type of metals opt for FCC structure

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

A:

Q: energy band diagram of germanium

A: Energy Band diagram represent positions or levels of energy bands in a substance. In a diagram we…

Q: ite form of iron has fcc crystal lattice structure,whereas its alpha form has bcc crystal lattice…

A: For a Face-Centred Cubic lattice:  4r=2a where r is the radius of the atom and a is the edge length.…

Q: Which of the following elements is most likely to form an oxide with the formula MO3: Zr, Nb, or Mo?

A:

Q: Suggest two reasons why zinc and potassium are unlikely to form a solid solution alloy

A: The reasons that zinc and potassium are unlikely to form solid solution alloy are:1. Different…

Q: (a) Determine the number of calcium ions in the chemicalformula of the mineral hardystonite,…

A: The formula expressing the existing atom's types with their stoichiometric number is addressed as…

Q: Calculate the theoretical density of chromium (Cr), when atomic weight = 52.00 (g/mol), Actual…

A:

Q: Draw a Lewis electron-dot diagram for the disilicate ion (Si2O9 ). What changes in this structure…

A: Draw and compare Lewis structures for the disilicate ion, the diphosphate ion, and the disulfate…

Q: Which metal center does not obey the 18-electron rule? a. Fe in Fe(n5-C5H4COME)2 b. Co in Co2(CO)8…

A: 18-electron rule: It is also known as EAN(Effective atomic number rule). This rule is generally…

Q: In ideal close-packed structures of metallic solids, how many nearest neighbors does a metal ion…

A: The number of the nearest neighbours of an atom present in the topmost layer is 12. Co-ordination…

Q: >Tin exists in two allotropic forms. Gray tin has a diamond structure and white tin has a…

A: a. White tin is denser than gray tin.

Q: Which is a metal alloy? O Steel O Diamond O Glasses O Limestone

A:

Q: Give reasons, why copper is used to make hot water tanks and not steel (an alloy of iron)

A: Copper is used to make hot water tanks. Steel reacts with steam.

Q: The following are limitations of ferrous alloys except corrosion susceptibility low electrical…

A: Ferrous Alloy:- These are the ones having iron as their major element They are abundantly available…

Q: Explain the factors that determine the coordination numbers of metals, ionic ceramics and covalent…

A: The most important factors that govern the CN i.e. coordination number of a complexes are:- 1) The…

Q: A certain material has the following lattice parameters: a = 667.4 pm b = 611.7 pm c = 330.4 pm…

A: From the given data, a ≠ b ≠ c and angles alpha = gamma ≠ beta

Q: 5. Explain why metals exhibit the following properties. – page 269 shiny flexible Electrical…

A: Metals are shiny-The positive metal ions are surrounded by pool of electrons. The electrostatic…

Q: What is a Substitutional alloy?

A: Alloy is a simple mixture of metals. Alloy is defined as a substance formed from the combination of…

Q: Draw orbital diagrams for the following atoms and ions. Explain a) Sulfer b) Sulfide (2- charge)…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Draw appropriate energy diagrams and determine all possible numbers of unpaired electrons in…

A: Paramagnetic substances can be defined as the substances having unpinned electrons in the orbitals.

Q: Austenite form of iron has fcc crystal lattice structure,whereas its alpha form has bcc crystal…

A: The formula for density is - The relation between radius, r of the atom and the edge length of the…

Q: diioys For each, determine whether its crystal is FCC, BCC or simple cubic. ALLOY ATOMIC WEIGHT…

A:

Q: Give the oxide components of each of the following.  1. KAlSi3O8 2. Mg3Si2O5(OH)4 3.…

A: A chemical reaction in which the number of atoms present on the left hand side of the equation is…

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

A:

Q: Relative to the octahedral crystal field, in the square planar crystal field the d-orbitals xy, yz,…

A: Crystal field splitting is done where the orbitals are unstable. To make them stable splitting…

Q: what is the best coating layer of nanoparticles used to coat the biomaterials alloys?

A: Coating is done primarily due to their long-term stability and excellent mechanical properties.…

Q: 1) Write the definitions of the following terms a. Metal-organic b. Organometallic c. Band gap d.…

A: We need to define the following terms :a. Metal-organicb. Organometallicc. Band gapd.…

Group 14 Elements

The following elements come under group 14 of the periodic table.