50. Which of the following elements can form a 3+ ion with noble gas electronic configuration? 51. Which of the following ions has the smallest

50. Which of the following elements can form a 3+ ion with noble gas electronic configuration? 51. Which of the following ions has the smallest radius? 52. Which of the following ions has the largest radius? 53. In which of the following sets do all three compounds have bonds that are mainly ionic? (a) Cd2+, Sr2+, Zn2+ (d) Ag+, Br, Cd2+ 55. I. n = 3, l =2, ml = 2 II. 54. Which of the following ions are isoelectronic with krypton?

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