Question

which of the following elements would you except to be the most stable and why. 42A 23 11 B 27 13C 40 20 D​

Answer 1

Answer:

1) We know that, Metallic character decreases from left to right in period and increases down a group.

2) Therefore, out of above options Be and Ga should be more metallic in nature.

3) Now, out of Be and Ga, Ga is bigger in size and hence has more tendency to lose electrons.

4) Thus ,Gallium is more metallic in nature.