Q33 of 400 Page 168

Draw the electron-dot structure of a hydrogen chloride molecule:

(i) Which inert gas does the H atom in HCl resemble in electron arrangement?


(ii) Which inert gas does the Cl atom in HCl resemble in electron arrangement?

(i) The H atom in HCl resemble helium in electron arrangement.

(ii) The Cl atom in HCl resembles argon in electron arrangement.



More from this chapter

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31 What is the cause of chemical bonding (or chemical combination) of atoms of elements? 32 (i) Write electron-dot structures for magnesium and oxygen.

(ii) Show the formation of MgO by the transfer of electrons.


(iii) What are the ions present in this compound?

 34 What type of bonding would you expect between the following pairs of elements ?

(i) Calcium and Oxygen


(ii) Carbon and Chlorine


(iii) Hydrogen and Chlorine

 35 Describe how sodium and chlorine atoms are changed into ions when they react with each other to form sodium chloride, NaCl. What is the name given to this type of bonding? (At. No of sodium = 11; At. No. of chlorine = 17)