Question

Which has highest specific charge?

• A. $N{a}^{+}(A=23)$
• B. $M{g}^{2+}(A=24)$
• C. $A{l}^{3+}(A=27)$
• D. $S{i}^{4+}(A=28)$

Answer 1

Answer: (D)

$S.C=e/m$