Question

A part of periodic table is shown in the following figure a)write the symbol of the element 'B' b)will elements 'C' 'D' have same number of valence electrons c) arrange elements A, B, C in increasing order of their metalic characters.

Answer 1

Answer:

As referred to periodic table element B is Phosphorus

a) B Symbol- P

b)C and D are the members of same group hence they have same valence electrons

c) correct order will be

C , B , A

as metallic character decreases along period