Concept explainers
(a)
Interpretation:
The name of mineral which contains iron oxide has to be given.
Concept introduction:
Minerals:
Minerals are chemical compound found in nature as crystalline form. Minerals have exact chemical composition. Minerals have certain physical properties such as hard, color, specific gravity, magnetism and radioactive nature.
(b)
Interpretation:
The name of mineral which contains lead sulfide has to be given.
Concept introduction:
Minerals:
Minerals are chemical compound found in nature as crystalline form. Minerals have exact chemical composition. Minerals have certain physical properties such as hard, color, specific gravity, magnetism and radioactive nature.
(c)
Interpretation:
The name of mineral which contains titanium dioxide has to be given.
Concept introduction:
Minerals:
Minerals are chemical compound found in nature as crystalline form. Minerals have exact chemical composition. Minerals have certain physical properties such as hard, color, specific gravity, magnetism and radioactive nature.
(d)
Interpretation:
The name of mineral which contains
Concept introduction:
Minerals:
Minerals are chemical compound found in nature as crystalline form. Minerals have exact chemical composition. Minerals have certain physical properties such as hard, color, specific gravity, magnetism and radioactive nature.
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General Chemistry: Atoms First
- The most important oxides of iron are magnetite, Fe3O4,and hematite, Fe2O3. (a) What are the oxidation statesof iron in these compounds? (b) One of these ironoxides is ferrimagnetic, and the other is antiferromagnetic.Which iron oxide is more likely to be ferrimagnetic?Explain.arrow_forward>The elements Mn and Si are added to steel to improve its properties in electric motors, and some C is often found as a detrimental impurity. Which of these elements fills interstitial holes in the Fe lattice and which substitutes for the Fe in the lattice?arrow_forwardThe red color of ruby is due to the presence of Cr(III) ions at octahedral sites in the close-packed oxide lattice of Al2O3. Draw the crystal-field splitting diagram for Cr(III) in this environment. Suppose that the ruby crystal is subjected to high pressure. What do you predict for the variation in the wavelength of absorption of the ruby as a function of pressure? Explain.arrow_forward
- The ore alvite often has a formula: (Hf, Th, Zr)SiO4.xH2 Suggest why Thorium would be an isostructural substitute for hafnium or zirconium in the mineral structure. (Inorganic Chemistry)arrow_forward>What compound has been historically used to leach gold from gold ores? Why is this process being discontinued?arrow_forward5. Write a report on the element vanadium (v), where the report includes the properties and characteristics of the metal, its ores, its interactions, its modification methods, and the crystalline structures of the mineralsarrow_forward
- What is the oxidation number of Mn in MnF6 4–? What is the oxidation number of Cu in [Cu(NH3)4]2+? What is the coordination number of Cu in [Cu(NH3)4]2+? What is the coordination number of Zn in Zn(CN)4 2– ?arrow_forwardWhat is the mass percent of iron in each of the following iron ores: Fe₂O₃, Fe₃O₄, FeS₂?arrow_forwardGive four examples of non-silicate minerals, and describe each example’s characteristic featuresarrow_forward
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