Question

kohi hai jo esa ka answer dega hai kohi ​

Answer 1

Answer:

1. Na and lithium
2. yes
3. Na is more electropositive

Answer 2

x=sodium (Na)

Y=lithium (Li)

yes they belong to the same group because they have same number of valence electron

sodium is more electropositive because as we go down in the group in the electropositive property of element increases