Question

QUESTION NO. 4
A. The elements W, X, Y and Z have atomic numbers 7.& 9 and 11 respectively. Write the formulae of the
compounds you would expect to form between the following pairs of elements and indicate the type of
bonding present
i. W and W
Y and Y
ii. Z and X​

Answer 1

Answer:

The formula of compound and the type of bond which is to be present in the following compound are,

(a) W and X-WX3, covalent

(b) X and X- X2, covalent

(c) W and Z- Z3W, ionic

(d) Y and Y- no compound

Explanation:

The compound why is an example of noble gas and as a result of this there is no reaction or compound which is formed by this compound is mono atomic.

Ionic substances are those substances when there is exchange of electrons between the two substances

on the other hand covalent compound are those where there is sharing of the electrons