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  • (a) Write electron dot structures of Ca (At. No. 20) and O(At. No. 8). (b) Show the formation of calcium oxide by transfer of electrons. (c) Name the ions present in this compound. (d) List four important characteristics of this co

(a) Write electron dot structures of Ca (At. No. 20) and O(At. No. 8).
(b) Show the formation of calcium oxide by transfer of electrons.
(c) Name the ions present in this compound.
(d) List four important characteristics of this compound.

 

 

 

 
 
 
 
 

Answers (1)

(a) Write electron dot structures of Ca (At. No. 20) and O(At. No. 8)

Ca ( atomic number 20) = 2,8,8,2,

O ( atomic number 8) = 2,6 

 

(b) Formation of calcium oxide by transfer of electrons is 


(c) Ions present in this compound are Calcium ion , Oxide ion


(d) Four mportant characteristics of this compound are 

Solid

High melting point and boiling point

Soluble in water

Conducts electricity in molten state

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