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2.77/The radii of the lithium and magnesium ions are 76 pm and 72 pm, respectively. Which compound has stronger ionic attrac- tions, lithium oxide or magnesium oxide?

2.77/The radii of the lithium and magnesium ions are 76 pm and 72 pm, respectively. Which compound has stronger ionic attrac- tions, lithium oxide or magnesium oxide?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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its mass number, and its group and period numbers: d in (а) (b) (c) and 36e- 10e 36e rest 35р 44no 7p 8n0 37p 48n0 are ve 2.74 An ionic compound forms when lithium (Z = 3) reacts with at oxygen (Z = 8). If a sample of the compound contains 8.4x1021 lithium ions, how many oxide ions does it contain? 2.75 An ionic compound forms when calcium (Z = 20) reacts with iodine (Z = 53). If a sample of the compound contains 7.4x102 calcium ions, how many iodide ions does it contain? 2.76 The radii of the sodium and potassium ions are 102 pm and 138 pm, respectively. Which compound has stronger ionic attrac- ions, sodium chloride or potassium chloride? 2.77/The radii of the lithium and magnesium ions are 76 pm and 72 pm, respectively. Which compound has stronger ionic attrac- tions, lithium oxide or magnesium oxide? Compounds: Formulas, Names, and Masses (Sample Problems 2.8 to 2.17) Concept Review Questions Z What information about the relative numbers of ions and the percent masses of elements is contained in the formula MgF2?
Transcribed Image Text:its mass number, and its group and period numbers: d in (а) (b) (c) and 36e- 10e 36e rest 35р 44no 7p 8n0 37p 48n0 are ve 2.74 An ionic compound forms when lithium (Z = 3) reacts with at oxygen (Z = 8). If a sample of the compound contains 8.4x1021 lithium ions, how many oxide ions does it contain? 2.75 An ionic compound forms when calcium (Z = 20) reacts with iodine (Z = 53). If a sample of the compound contains 7.4x102 calcium ions, how many iodide ions does it contain? 2.76 The radii of the sodium and potassium ions are 102 pm and 138 pm, respectively. Which compound has stronger ionic attrac- ions, sodium chloride or potassium chloride? 2.77/The radii of the lithium and magnesium ions are 76 pm and 72 pm, respectively. Which compound has stronger ionic attrac- tions, lithium oxide or magnesium oxide? Compounds: Formulas, Names, and Masses (Sample Problems 2.8 to 2.17) Concept Review Questions Z What information about the relative numbers of ions and the percent masses of elements is contained in the formula MgF2?
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