Question

Refer the above part of periodic table and answer the following questions.

a) Element with the least atomic size.

b) Write the electronic configuration of the elements B and E.

c) Identify the elements that have similar physical and chemical properties as the element Y

d) Arrange the elements in Increasing order of their electronegativity values.​

Answer 1

Answer:

1. element E has least atomic size.

2. electronic configuration of element B is 2,8,3

E 2,8,6.

3. __

4. __