Question

observe the following diagram and answer the following questions:-
(A) Identify elements X and Y.
(B) Do these elements belong to the same group?
(C) Which element is more electropositive in nature? Why?​

Answer 1

Answer:

1) x is sodium Na and y is lithium L

2) yes this elements belongs to the same group as they are having equal no. of electrons in their outer most shell.

3) Sodium is more electropositive than lithium because electricity increases from the rights side to the left side of the periodic table along a group.