Q34 of 400 Page 168

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

(i) Calcium and Oxygen shares ionic bonding.


(ii) Carbon and Chlorine shares the covalent bonding.


(iii) Hydrogen and Chlorine shares covalent bonding.



More from this chapter

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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?

 33 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?

 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) 36 What is the difference between a cation and an anion ? How are they formed ? Give the names and symbols of one cation and one anion.