Q10 of 18 Page 226

Draw simple diagrams to show how electron are arranged in the following covalent molecules:

a) Calcium oxide (CaO)


(b) Water (H2O)


(c) Chlorine (Cl2)

(a) Calcium oxide



(b) Water Molecule:


One oxygen and 2 hydrogen atoms combine to form water molecule.



(c) Chlorine



More from this chapter

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8

Predict the reasons for low melting point for covalent compounds when compared with ionic compound.

 9

Collect the information about properties and uses of covalent compound and prepare report?

 11

Represent the molecule H2O using Lewis notation.

 12

Represent each of the following awns using Lewis notation:

(a) beryllium


(b) calcium


(c) lithium