The elements `X,Y` and `Z` belong to groups 2,14 and 16 respectively of the periodic table.
(a) Which two elements will form covalent bond?
(b) Which two elements will form an ionic bond?

The elements A,B and C belong to groups 1,14 to 17 respectively of the periodic table. (a) Which two elements will form a covalent compound? (b)Which two elements will form an ionic compound?

The pair of elements which form ionic bond is .

The pair of elements which form ionic bond is .

The elements A,B,C and D belong to groups 1,2,14 and 17 respectively of the periodic table. Which of the followign paris of elements would produce a covalent bond? (i) A and D (ii) C and D (iii) A and B (iv) B and C (v) A and C

Which pair of elements would form the most ionic bond?

Mention two pairs of elements which forms ionic bond?

Which of the following elements always forms covalent bonds?

The electronic configurations of four element A , B , C and D are as follows. A. 2,8,1 B. 2,8,7 C. 2,8,8 D. 2,4 (a) which of these elements is a metal ? (b) Which of these elements are non-metals? © Which two elements will combine to form an ionic bond? (d) Which two elements will combine to form a covalent bond ? (e) which element will form an anion of valency 1? (f) Which element is a noble gas ?