Which of the following is correct
A. `IP_(2)` of Cu is more than the `IP_(2)` of Zn
B. The order of non-metallic character is : `N lt P lt O lt S `
C. `IE_(2)` of Cu is greater than `IE_(2)` of K
D. The order of ionic mobility in aqueous solution `Na^(+) lt Mg^(2+) lt Al^(3+)`
