5. Consider the following diatomic species (molecules and ions): The number of the species which are diamagnetic is x. The number of the species whose bond order is expected to decrease upon removing an electron is y. What is (x + y)? (A) 4 (B)5 (C)6 (D)7 (E) 8

6. How many of the following statements are NOT TRUE? (i) The Group 3A elements are all metals. (ii) Alkaline earth metals react less vigorously with water than do alkali metals. (iii) Salts can consist of hydrogen. (iv) Because Li is a stronger reducing agent than K and Na in aqueous solution, it reacts more quickly with water than K and Na. (A)0 (B) 1 (C) 2 (D) 3 (E) 4

5. Consider the following diatomic species (molecules and ions):
The number of the species which are diamagnetic is x. The number of the species whose bond order is expected to decrease upon removing an electron is y. What is (x + y)?
(A) 4
(B)5
(C)6
(D)7
(E) 8

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