Question

For Li+2, r2

: r5

will be :-

(1) 9 : 25 (2) 4 : 25

(3) 25 : 4 (4) 25 : 9​

Answer 1

Answer:

please write the question properly

Answer 2

Answer:

2) 4:25

the radius is proportional to n2/z

for Li2+,

r2/r5 = (2^2/3)×(5^2/3)

= (4/3)×(25/3)

= 4/3 ×3/25

=4/25

so, r2:r5 = 4:25