Using the given part of the periodic table, answer the following questions with reason-

Question

Group →	1	2	13	14	15	16	17	18
Period ↓
3	X		B	C	D	E
4	Y
5	Z

 

Using the given part of the periodic table, answer the following questions with reason-
(i) Name the element having smallest atomic size.
(ii) Write electronic configuration of element E.
(iii) Identify the elements which have similar physical and chemical properties as the element Y.

Answer 1

(i) Element E has the smallest atomic size.
(ii) Electronic configuration:K L M 2 8 6
(iii) X and Z have similar physical and chemical properties as Y.