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 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,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

Be usually forms covalent compounds but other elements of group-2 form ionic compounds. Why?

Which element of group 13 forms covalent compounds only

The electronic configuration of three elements X,Y and Z are as follows X 2,4 Y 2,7 Z 2,1 (a) which two elements will combieto form an ionic compound? (b). Which two elementswill react to form a covalent compound? give reason for your choice.

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 ?

The atomic numbers of four elements A,B,C and D are 6,10,12 and 17 respectively. Which two elements combine to form a covalent compound ?