5. In an ionic compound with formula X₂O, X could represent which element? (A) lithium (C) calcium (B) fluorine (D) aluminum 6. Which is a chemical separation technique? (A) freezing water (B) evaporation of water (C) distillation: evaporation followed by condensation of water (D) electrolysis: passing an electrical current through water to produce hydrogen and oxygen

5. In an ionic compound with formula X₂O, X could represent which element? (A) lithium (C) calcium (B) fluorine (D) aluminum 6. Which is a chemical separation technique? (A) freezing water (B) evaporation of water (C) distillation: evaporation followed by condensation of water (D) electrolysis: passing an electrical current through water to produce hydrogen and oxygen

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter7: The Structure Of Atoms And Periodic Trends

Section: Chapter Questions

Problem 82SCQ

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