Which of the following species will have the smallest size ?

Which of the following species will have the largest size?

Which one of the following atoms will have the smallest size ?

Which one of the following atoms will have the smallest size ?

Which of the following species will have the largest and smallest size Mg,Mg^(2+),Al,Al^(3+) ? Give reason.

Which of the following species will have the largest and smallest size? Mg,Mg^(2+),Al,Al^(3+)

Which of the following species will have the largest and the smallest size? K, K^(+), Ca, Ca^(2+) . Explain.

Which of the following species will have the largest and the smallest size? K, K^(+), Ca, Ca^(2+) . Explain.