An isometric mineral that is dense, reflective, and malleable, likely has which type of atomic bonding? lonic bonding Metallic bonding Van der Waals bonding Covalent bonding

Q: Which of the following alloys does not contain copper?           (A) Bronze          (B) Pewter…

A: Bronze = copper + tin  Pewter = Tin + antimony + copper  Sterling silver = silver + usually copper

Q: A ceramic material can be defined as an organic compound consisting of a metal or semimetal and one…

A:

Q: What is the group of clay mineral which is known as a 3-layered silicate clay or a 2:1 non expanding…

A: Clay is a hydrated metallosilicate. It has silcate ion with aluminum, iron or magnesium as…

Q: What is the composition, in atom percent, of an alloy that consists of 30 wt% Zn and 70 wt% Cu? What…

A:

Q: 6-Soluble in ferrite and increases yield strength, tensile strength, toughness and hardness  It is…

A: Steel is made up of Fe, C, V, Si, Ni, Mn, Cu, Cr.

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

A:

Q: Calculate the maximum wavelength of radiation required to excite electrons between the valence and…

A: The band gap represents the energy required for electronic transitions, Energy of photon is 2.26 eV.…

Q: Explain why polycrystalline metals are stronger than their single crystal counterparts.

A: Defination of polycrystalline metal: Polycrystalline metals  comprise of grains with different…

Q: 2. "A ferrite with fixed composition can exhibit quite different magnetic behavior when prepared…

A: A ferrite with fixed composition can exhibit quite different magnetic behavior when prepared under…

Q: When a part is made by pressing together powdered metal, no metal is wasted. In contrast, metal is…

A: Given data:

Q: a. 8. Sheet silicates (Cyclosilicates) has Si:0 ratio equa b. 1:3 a 1:2 9- Ultramafic igneous rock…

A:

Q: What is the composition, in atom percent, of an alloy that consists of 30 wt% Zn and 70 wt% Cu?…

A: Atom % of Zn = Czn x AcuCzn x Acu x Ccu x Aznx100                           = 30 x 63.5530x63.55…

Q: In clays, the negative charge is exactly balanced by the absorbed cations. A True B False Question…

A: 17. It is true that in clays the negative charge is balanced by the adsorbed cations. True 18. Yes,…

Q: What are alumino silicates or FELDSPARS

A: The metallic compounds which are found in nature, called as minerals whereas the minerals which can…

Q: When found in nature, which of the following metal ions would prefer to bind to sulfide rather than…

A: The general chemical formula of sulfide minerals is : AmSn. Where, A is metal  S is sulfur m,n are…

Q: What was the controversy in the jewelry industry regarding metal alloys in platinum jewelry? How did…

A: 1. What was the controversy in the jewelry industry regarding metal alloys in platinum jewelry?…

Q: These are minerals produced by the weathering action of water and heat on primary minerals. Often,…

A:

Q: A clay mineral that is frequently used together with or in place of kaolinite is pyrophyllite…

A: The metallic compounds which are found in nature, called as minerals whereas the minerals which can…

Q: What is the oxidation-reduction reaction for the ferri/ferrocyanide couple

A: ferrocyanide = Fe(CN)64- ferricyanide = Fe(CN)63-

Q: TABLE 22.2 General Characteristics of Cutting-tool Materials (These Materials Have a Wide Range of…

A: The given table shows the trend observed in the properties of High-speed steels, cast-cobalt alloys,…

Q: energy In the following illustration the charge of silica will be negative after reacting X…

A: Answer: True. The charge of silica will be negative after reacting with X.

Q: c) Quenching is employed to harden metallic materials. i. Explain the process of transforming PLAIN…

A: 1. Answer - Martensitic transformation - Martensitic transformation of shape memory alloys is a…

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: Which of these doped semiconductors would yield a p-typematerial? (These choices are written as host…

A: A p type semiconductor is formed when the Si or Ge is doped with any element from Aluminium group…

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: >Describe the effects of adding Mn to steel and give a use for manganese–steel alloys.

A: Manganese is generally added to steel to change its physical properties. Addition of Manganese to…

Q: Which of the following property combinations is required for abrasive ceramics? High fracture…

A: Abrasive ceramics are the material which are used for grinding and cutting of other softer…

Q: What is the principal alloying element that can make a steel stainless?

A: The stainless steel is composed of carbon, chromium, manganese, phosphorus, silicon and other…

Q: An iron-carbon alloy has a composition of 0.9 wt% C. This is a alloy. Question 10 options: eutectic…

A: The alloy which contains carbon percentage between the 0.8% to 2 % are known as hypereutectoid…

Q: Using Table 22.1, predict the structure of each of the fol- lowing silicate minerals (network,…

A: Following structures are

Q: 1. An Non-metallic mineral is not see-through. 2. A mineral is a little see-through. 3. A…

A: We have to arrange the jumbled up words,marked in the box, in the appropriate blanks,based on the…

Q: Why is brass (CuZn) considered an alloy but boron nitride (BN) is not? Electronegativities:  B…

A: Each element has certain amount of electronegativity, that is its nature to attract and pull a…

Q: Describe the role of the following :(i) SiO2 in the extraction of copper from copper matte(ii) NaCN…

A: Introduction- Metallurgy is the branch of chemistry that deals with mining of metals and their…

Q: Given the formula of some materials, identify the principal metal than can be extracted from each…

A: The principal metal in ZnSO4.7H2O is Zn  The common alloy of Zinc is Brass which is made of 95%…

Q: A cation vacancy paired with an anion vacancy is called Schottky defect. The Frenkel defect is an…

A:

Q: The band gap of gallium phosphide is 2.26 eV, which makes it appropriate for producing yellow LEDs,…

A: Given: The band gap of gallium phosphide is 2.26 eV, which makes it appropriate for producing yellow…

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: Type of Steel % Carbon Characteristics Uses Low-carbon steel < 0.2 % Malleable and ductile Chains…

A: The size of iron atoms is larger than the carbon atoms.

Q: On the basis of the microconstituent of stainless steels, which of the following is the is…

A: An iron, chromium (≈10.5 %) alloy containing carbon (≈1 %) and other alloying materials (such as…

Q: Which of the following could be useful as an elemental semiconductor? Cu O F O K As Xe

A: Materials whose conductivity  is lies between the conductors and insulators are known as…

Q: 1.The max.% of carbon that can be add to iron is. ........ 2.Medium alloy steel has atotal amount of…

A: Alloy is a metallic substance composed of two or more elements. Alloys have properties superior to…

Q: Epitaxial growth is a single crystal growth on the polycrystalline silicon silicon dioxide silicon…

A: Epitaxial growth is overgrowth of film material

Q: why Si-Al-rich minerals are found nearer or at the surface while Fe-Mg-rich minerals are not

A: Si - Al - rich minerals are minerals that contains silicon and aluminium, whereas Fe-Mg- rich…

Q: A cemented carbide is actually a composite consisting of carbide particles in a, matrix. Nickel or…

A: Cemented carbides?

Q: How do pressure and temperature affect the rate of substitution in minerals?

A: The size of the ions and the size of the crystallographic sites they replace. In general, ions of…