Question

The following table shows the electronic configuration of the elements W, X, Y, Z:

Element	w	x	y	z
Electronic configurations	2, 8, 1	2, 8, 7	2, 5	1

Answer the following questions based on the table above:

1) What type of Bond is formed between :

a) W and X

b) Y and Z

2) What is the formula of the compound formed between :

a) X and Z

b) W and X

Answer 1

1.a)Ionic bond is formed by transfer of one electron from element W to element X

1.b) Covalent bond is formed by sharing of electrons between elements Y and Z.

2.a) HCl

2.b) NaCl