Question

Using the above table answer the following questions :
(a) Compare the atomic sizes of B & C.
(b) Select the letter/letters which represent alkali metals.
(c) Identify the nature of bonds formed by elements of Group 1 and 14.
(d) What would be the electronic configuration of element F ?
(e) How does the metallic character vary on going from left to right in a period ?

Answer 1

(a) Atomic size of C will be smaller than the atomic size of B.
(b) A & D are alkali metals.
(c) Group 1 elements will form ionic bonds however elements of group 14 will form covalent bonds.
(d) Electronic configuration of F is 2, 4.
(e) Metallic character will decrease will decrease on going from left to right in a period.