79 下列放射製藥中，何者最適用於骨轉移病患的疼痛緩解？ (A) (B)(C) (D)

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