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In crystals of the salt cesium chloride, cesium ions Cs+ form the eight corners of a cube and a chlorine ion Cl is at the cube's center (see the figure). The edge length of the cube is L = 0.39 nm. The Cst ions are each deficient by one electron (and thus each has a charge of +e), and the Cl ion has one excess electron (and thus has a charge of - e). (a) What is the magnitude of the net electrostatic force exerted on the CI' ion by the eight Cs+ ions at the corners of the cube? (b) If one of the Cs+ ions is missing, the crystal is said to have a defect; what is the magnitude of the net electrostatic force exerted on the Cl" ion by the seven remaining Cs+ ions? Cs* (a) Number Units (b) Number Units

In crystals of the salt cesium chloride, cesium ions Cs+ form the eight corners of a cube and a chlorine ion Cl is at the cube's center (see the figure). The edge length of the cube is L = 0.39 nm. The Cst ions are each deficient by one electron (and thus each has a charge of +e), and the Cl ion has one excess electron (and thus has a charge of - e). (a) What is the magnitude of the net electrostatic force exerted on the CI' ion by the eight Cs+ ions at the corners of the cube? (b) If one of the Cs+ ions is missing, the crystal is said to have a defect; what is the magnitude of the net electrostatic force exerted on the Cl" ion by the seven remaining Cs+ ions? Cs* (a) Number Units (b) Number Units

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In crystals of the salt cesium chloride, cesium ions Cst form the eight corners of a cube and a chlorine ion ci is at the cube's center (see the figure). The edge length of the cube is L = 0.39 nm. The Cst ions are each deficient by one electron (and thus each has a charge of +e), and the Cl ion has one excess electron (and thus has a charge of - e). (a) What is the magnitude of the net electrostatic force exerted on the Cl ion by the eight Cst ions at the corners of the cube? (b) If one of the Cst ions is missing, the crystal is said to have a defect; what is the magnitude of the net electrostatic force exerted on the Cl ion by the seven remaining Cst ions? Cs+ (a) Number Units (b) Number Units
Transcribed Image Text:In crystals of the salt cesium chloride, cesium ions Cst form the eight corners of a cube and a chlorine ion ci is at the cube's center (see the figure). The edge length of the cube is L = 0.39 nm. The Cst ions are each deficient by one electron (and thus each has a charge of +e), and the Cl ion has one excess electron (and thus has a charge of - e). (a) What is the magnitude of the net electrostatic force exerted on the Cl ion by the eight Cst ions at the corners of the cube? (b) If one of the Cst ions is missing, the crystal is said to have a defect; what is the magnitude of the net electrostatic force exerted on the Cl ion by the seven remaining Cst ions? Cs+ (a) Number Units (b) Number Units
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