Question

As we move down a group in a period table how does the following change.
1 : Atomic size 2: valency 3: electronegative

Answer 1

hey mate!!

here is your answer:

as we move down in a group table the following changes happen
1. atomic size increases
2. valency remains the same as the last shell of all the elements have same no. of electrons
3. electronegative charachter decrease

hope it helped:)