2.An ion that has similar electron configuration to that of Neon (Ne10 ) is a. Cl-1 b. Na +1 c. Na d. O-1 3.The pair of ions listed below with similar chemical properties is a. F- & Cl- b. F- & Li + c. Na+ & Cl- d. Na + & F- 4.According to the octet rule a Calcium atom has a tendency to a. lose one electron b. lose two electrons c. gain one electron d. gain two electrons

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a). in this case, dh> 0 and sd> 0. if t becomes larger, the term "-tds" will become more negative. at some point, it is possible that -dts will be more negative than the dh is positive, and the reaction will become spontaneous. this is probably the correct answer, but you should look at all of the other possibilities and make sure of that.