Q34. The statement(s) that are correct about the species $\mathrm { O } ^ { 2 - } , \mathrm { F } ^ { - } , \mathrm { Na } ^ { + }$and $\mathrm { Mg } ^ { 2 + }$. (A) All are isoelectronic (B) All have the same nuclear charge (C) $\mathrm { O } ^ { 2 - }$ has the largest ionic radii (D) $\mathrm { Mg } ^ { 2 + }$ has the smallest ionic radii Choose the most appropriate answer from the options given below : (1) (B), (C) and (D) only (2) (C) and (D) only (3) (A), (C) and (D) only (4) (A), (B), (C) and (D)
Q34. The statement(s) that are correct about the species $\mathrm { O } ^ { 2 - } , \mathrm { F } ^ { - } , \mathrm { Na } ^ { + }$and $\mathrm { Mg } ^ { 2 + }$. (A) All are isoelectronic (B) All have the same nuclear charge (C) $\mathrm { O } ^ { 2 - }$ has the largest ionic radii (D) $\mathrm { Mg } ^ { 2 + }$ has the smallest ionic radii Choose the most appropriate answer from the options given below :\\
(1) (B), (C) and (D) only\\
(2) (C) and (D) only\\
(3) (A), (C) and (D) only\\
(4) (A), (B), (C) and (D)