Question

which of the following species will have the largest and smallest size - Mg, Mg +2 , Al, Al+3 (class 11)​

Answer 1

Answer:

Al   and smallest Al+3

Explanation:

As we move downwards in a column ,the size increases.

and cations have lesser size than their nuetral atom.

Answer 2

Answer:

largest mg

smallest Al 3+

Explanation:

positive charge is inversely proportional to atomic size

and in mg and Al size of mg is more because it contains 2 outer most valence electrons

while mg contains 3 outer most valence electrons