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ICSE Class 10 Chemistry Question 15 of 28

Chemical Bonding — Question 9

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Question

Question 9

Explain with the help of ionic equation and electron dot structural diagram the formation of the following electrovalent compounds.

(a) NaCl

(b) MgCl2

(c) CaO

Answer

(a) Na+ + Cl- ⟶ NaCl

The electron dot structural diagram is:

Draw the electron dot structure of Sodium chloride. Chemical Bonding, Concise Chemistry Solutions ICSE Class 10

(b) Mg+2 + 2Cl- ⟶ MgCl2

The electron dot structural diagram is:

Draw an electron dot diagram to show the formation of Magnesium chloride. Chemical Bonding, Concise Chemistry Solutions ICSE Class 10

(c) Ca+2 + O-2 ⟶ CaO

The electron dot structural diagram is:

Draw the electron dot structure of Calcium oxide. Chemical Bonding, Concise Chemistry Solutions ICSE Class 10