Question

please answer this
urgent ​

Answer 1

1. No. of electron shells remains same. No. of valence electrons increases.

  Electronegativity increases. Character of elements changes from        Electropositive to Electronegative.

2. No. of electron shells increases.No. of valence electrons remains same.

  Electronegativity decreases. Character of elements changes from        electronegative  to electropositive.