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7.Place the elements Rb, Na, and Mg in order of decreasing chemical reactivity. Explain your choice of order. (4 marks)8.Explain why ionization energy and electronegativity should follow the same trend for families and periods. (2 marks)
Page8of14Lesson #3–Ionic and Covalent Bonding9.For each of the following chemical formulas, indicate if the substance is ionic or covalent. (4marks: 1 mark each)a.AgF:Silver (I) Fluoride is an ionic compound.b.C6H12O6:D-Glucoseis a covalent(polar) compound.3: Iron (III) Chloride is a covalent(polar) compound.d.SF6: Sulfur Hexafluoride isa covalent (polar) compound.10.Describe three differences between the bonding in ionic and covalent substances. (3 marks)