Which of these comparisons according to radius is (are)correct? 1) Na^+ .>Mg^2+
ID: 684429 • Letter: W
Question
Which of these comparisons according to radius is (are)correct? 1) Na^+ .>Mg^2+ 2) In^3+ >Sr^2+ 3) Cl^- > K^+ 4) Cl > K a) 1 and2 b) 2 and4 c) 1 and 3 d) 2 and 3 e) 3 and 4 Thank you! Which of these comparisons according to radius is (are)correct? 1) Na^+ .>Mg^2+ 2) In^3+ >Sr^2+ 3) Cl^- > K^+ 4) Cl > K a) 1 and2 b) 2 and4 c) 1 and 3 d) 2 and 3 e) 3 and 4 Thank you!Explanation / Answer
Rules: 1. Atomic radius decreases as you go from left to right across aperiod. 2. Atomic radius increases as you go down a group. Thus 1 and 3 are the correct answers