Question

Six elements A, B, C, D, E and F have following atomic numbers. [5]

A=12, B=17, C= 18, D=7, E=9 and F= 11. Answer the following questions:

a) Which of them has the lowest electron affinity?

b) Which of them has the highest electron affinity?

c) Which of them has the largest atomic size?

d) Which of these belongs to the third period and has the highest ionization energy?

e) Which of these belongs to the third period and has the stable electronic configuration​

Answer 1

Answer:

francium is the largest atomic size.