6. Which of the following atoms has the highest first ionization energy?(A) O (B) C (C) Na (D) Mg

9. Which of the following statement is correct when 0.1 M of AgNO3(aq) and 0.1M of KI(aq) are mixed? (A) KNO3 will precipitate; Ag+ and I- will be spectator ions. (B) No precipitate will form (C) AgI will precipitate; K+ and I- will be spectator ions. (D) AgI will precipitate; K+ and NO3- will be spectator ions.