Question

metallic character goes on while going decreasing from left the to right in a period

Answer 1

Bcoz while going down the group no. of shells increases but while going along a period shell no. remains same and no. of electrons increases

Answer 2

1) Metal has the ability to loose an electron.

2) When an electron is added then the size of an atom goes on decreasing due to nuclear pull.

3) Which makes metal more difficult to loose an electron.

4) Hence, metallic characters goes on decreasing while going from left to right in a period.