Chemistry: An Atoms-Focused Approach
14th Edition
ISBN: 9780393912340
Author: Thomas R. Gilbert, Rein V. Kirss, Natalie Foster
Publisher: W. W. Norton & Company
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Which packing scheme describes the structure of zinc(II) sulfide?
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closest-packed sulfide ions with zinc(II) ions occupying 1/2 of the tetrahedral interstices
closest-packed sulfide ions with zinc(II) ions occupying 1/4 of the tetrahedral interstices
closest-packed zinc(II) ions with sulfide ions occupying all of the tetrahedral interstices
closest-packed zinc(II) ions with sulfide ions occupying 1/2 of the tetrahedral interstices
closest-packed zinc(II) ions with sulfide ions occupying 1/4 of the tetrahedral interstices
1. Tantalum is rare, hard, blue-gray, lustrous transition metal that is highly corrosion-resistant. It has a density of 16.4 kg/L and a molecular weight of 180.948 g/mol. What is the (A) atomic radius in cm, (B) volume in cm^3 of Ta if it adopts the body centered cubic unit structure and (C) volume of unit cell
An AX ceramic compound has an HCP crystal structure. If the radii of the A and X ions are 0.114 and 0.255 nm, respectively, and the respective atomic weights are 44.58 and 95.24 g/mol, what is the density (in g/cm3) of this material?
Chapter 18 Solutions
Chemistry: An Atoms-Focused Approach
Ch. 18 - Prob. 18.1VPCh. 18 - Prob. 18.2VPCh. 18 - Prob. 18.3VPCh. 18 - Prob. 18.4VPCh. 18 - Prob. 18.5VPCh. 18 - Prob. 18.6VPCh. 18 - Prob. 18.7VPCh. 18 - Prob. 18.8VPCh. 18 - Prob. 18.9VPCh. 18 - Prob. 18.10VP
Ch. 18 - Prob. 18.11VPCh. 18 - Prob. 18.12VPCh. 18 - Prob. 18.13VPCh. 18 - Prob. 18.14VPCh. 18 - Prob. 18.15VPCh. 18 - Prob. 18.16VPCh. 18 - Prob. 18.17VPCh. 18 - Prob. 18.18VPCh. 18 - Prob. 18.19QACh. 18 - Prob. 18.20QACh. 18 - Prob. 18.21QACh. 18 - Prob. 18.22QACh. 18 - Prob. 18.23QACh. 18 - Prob. 18.24QACh. 18 - Prob. 18.25QACh. 18 - Prob. 18.26QACh. 18 - Prob. 18.27QACh. 18 - Prob. 18.28QACh. 18 - Prob. 18.29QACh. 18 - Prob. 18.30QACh. 18 - Prob. 18.31QACh. 18 - Prob. 18.32QACh. 18 - Prob. 18.33QACh. 18 - Prob. 18.34QACh. 18 - Prob. 18.35QACh. 18 - Prob. 18.36QACh. 18 - Prob. 18.37QACh. 18 - Prob. 18.38QACh. 18 - Prob. 18.39QACh. 18 - Prob. 18.40QACh. 18 - Prob. 18.41QACh. 18 - Prob. 18.42QACh. 18 - Prob. 18.43QACh. 18 - Prob. 18.44QACh. 18 - Prob. 18.45QACh. 18 - Prob. 18.46QACh. 18 - Prob. 18.47QACh. 18 - Prob. 18.48QACh. 18 - Prob. 18.49QACh. 18 - Prob. 18.50QACh. 18 - Prob. 18.51QACh. 18 - Prob. 18.52QACh. 18 - Prob. 18.53QACh. 18 - Prob. 18.54QACh. 18 - Prob. 18.55QACh. 18 - Prob. 18.56QACh. 18 - Prob. 18.57QACh. 18 - Prob. 18.58QACh. 18 - Prob. 18.59QACh. 18 - Prob. 18.60QACh. 18 - Prob. 18.61QACh. 18 - Prob. 18.62QACh. 18 - Prob. 18.63QACh. 18 - Prob. 18.64QACh. 18 - Prob. 18.65QACh. 18 - Prob. 18.66QACh. 18 - Prob. 18.67QACh. 18 - Prob. 18.68QACh. 18 - Prob. 18.69QACh. 18 - Prob. 18.70QACh. 18 - Prob. 18.71QACh. 18 - Prob. 18.72QACh. 18 - Prob. 18.73QACh. 18 - Prob. 18.74QACh. 18 - Prob. 18.75QACh. 18 - Prob. 18.76QACh. 18 - Prob. 18.77QACh. 18 - Prob. 18.78QACh. 18 - Prob. 18.79QACh. 18 - Prob. 18.80QACh. 18 - Prob. 18.81QACh. 18 - Prob. 18.82QACh. 18 - Prob. 18.83QACh. 18 - Prob. 18.84QACh. 18 - Prob. 18.85QACh. 18 - Prob. 18.86QACh. 18 - Prob. 18.87QACh. 18 - Prob. 18.88QACh. 18 - Prob. 18.89QACh. 18 - Prob. 18.90QACh. 18 - Prob. 18.91QACh. 18 - Prob. 18.92QACh. 18 - Prob. 18.93QACh. 18 - Prob. 18.94QACh. 18 - Prob. 18.95QACh. 18 - Prob. 18.96QACh. 18 - Prob. 18.97QACh. 18 - Prob. 18.98QACh. 18 - Prob. 18.99QACh. 18 - Prob. 18.100QACh. 18 - Prob. 18.101QACh. 18 - Prob. 18.102QACh. 18 - Prob. 18.103QACh. 18 - Prob. 18.104QACh. 18 - Prob. 18.105QACh. 18 - Prob. 18.106QACh. 18 - Prob. 18.107QACh. 18 - Prob. 18.108QACh. 18 - Prob. 18.109QACh. 18 - Prob. 18.110QACh. 18 - Prob. 18.111QACh. 18 - Prob. 18.112QACh. 18 - Prob. 18.113QACh. 18 - Prob. 18.114QACh. 18 - Prob. 18.115QACh. 18 - Prob. 18.116QACh. 18 - Prob. 18.117QACh. 18 - Prob. 18.118QACh. 18 - Prob. 18.119QACh. 18 - Prob. 18.120QACh. 18 - Prob. 18.121QACh. 18 - Prob. 18.122QACh. 18 - Prob. 18.123QACh. 18 - Prob. 18.124QACh. 18 - Prob. 18.125QACh. 18 - Prob. 18.126QACh. 18 - Prob. 18.127QACh. 18 - Prob. 18.128QACh. 18 - Prob. 18.129QACh. 18 - Prob. 18.130QACh. 18 - Prob. 18.131QACh. 18 - Prob. 18.132QACh. 18 - Prob. 18.133QA
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- Show that the radius of the largest sphere that can be placed in a tetrahedral interstitial site in an fcc lattice is 0.225r1, where r1 is the radius of the atoms making up the lattice. (Hint: Consider a cube with the centers of fourspheres placed at alternate corners, and visualize the tetrahedral site at the center of the cube. What is the relationship between r1 and the length of a diagonal of a face? The length of a body diagonal?)arrow_forwardA metal crystallizes in the face-centered cubic (FCC) lattice. The density of the metal is 10500 kg/m', and the length of a unit cell edge, a, is 408.6 pm. Calculate the mass of one metal atom. mass: Identify the metal. O nickel O rhodium O copper O silverarrow_forward11.Demonstrate the fraction of these sites in an FCC lattice that Fe2+ ions would need to occupy in order to maintain charge neutrality with the O2– ions sitting in FCC lattice positions of a unit cell. 12.Describe how the bonding and atomic arrangement in diamond differs from that in other allotropes of carbon such as graphite, graphene, and fullerenes (Buckyballs). 13.The silicate anion (SiO44-) “orthosilicate” is the basic building block of all silicate materials. Draw the Lewis Dot Structure for the (SiO44-) ion. Based on your Lewis dot structure, what is the predicted geometry for the (SiO44-) ion? What kind of bonds occur between Si and O in the (SiO44-) ion?arrow_forward
- Which of the following statements correctly describes the NaCl structure type? a. NaCl structure is composed of hexagonal close-packing of Cl- anions with Na+ cations occupying every tetrahedral hole, this arrangement of cations and anions results in a 6:6 cation:anion coordination b. NaCl structure is composed of cubic close-packing of Cl- anions with Na+ cations occupying every octahedral hole, this arrangement of cations and anions results in a 6:6 cation:anion coordination c. NaCl structures is composed of cubic close-packing of Cl- anions with Na+ cations occupying every second tetrahedral hole, this arrangement of cations and anions results in a 4:4 cation:anion coordination d. No answer text provided.arrow_forwardFor a ceramic compound, what are the two characteristics of the component ions that determine the crystal structure?arrow_forwardDistinguish between the rock salt structureand the caesium chloride structure for ionicsolidsarrow_forward
- Silicon has a face-centred cubic structure with two atoms per lattice point, just like diamond. At 25°C, a = 543.1 pm. What is the density of silicon? What is the Si-Si bond length?arrow_forward3. a) Calculate the atomic packing factor for the face-centered cubic (FCC) crystal structure.arrow_forwardWhat are the coordination numbers of Mg and F ions in the crystal lattice structure of MgF2? Explain.arrow_forward
- Graphite has a layered structure, with each layer made up of six-membered rings of carbon fused with other similar rings on all sides. The Lewis structure shows alternating single and double bonds. Diamond is an insulator, and graphite is a moderately good conductor. Explain these facts in terms of the bonding in each. (Conductance of graphite is significantly lower than metals but is higher than most nonmetals.) What behavior would you predict for carbon nanotubes, the cylindrical form of fullerenes?arrow_forward5. The elements Cu, O, La, Y, Ba, TI, and Bi are all found in high-temperature ceramic superconductors. Write the shorthand noble gas configurations for the atom of each of these elements. 0arrow_forwardwhat is the difference between ferromagnetic and paramagnetic?arrow_forward
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