Question

14. The position of elements A, B, C, D and E in the periodic
table are shown below:
Group 1 Group 2 Group 17 Group 18
_. _. _ D
_. B. C _
A. _. _. E
(a) State which are metals, non-metals and noble gas in
this table.
(b) State which is the most reactive (1) metal (i) non-metal
(C) Which type of ion will be formed by element AB
and C.
(d) Which is larger in size (i) D or E (ii) B or C​

Answer 1

(a) metals-A & B
Non metals- C, D & E
Noble gasD & E as they belong to Grp18


(b) (1)A.(i)C

(C) A& B -Cation C-Anion

(D) (i)E (ii) B

Answer 2

(a). Elements A and B are metals ,  element C is a non metal and elements D and E are noble gases as they belong to the group 18 .

(b). The most reactive metal is element A and the most reactive non metal is element C .

(c). Cations will be formed by elements A and B whereas anion will be formed by element C .

(d). (i) E is larger than D .

     (ii) B is larger than C .