(i) Show the formation of aluminium ions and chloride ions by transfer of electrons .
(ii) State the formula and the nature of compound formed if electron transfer take place between two
(iii) State with reason any three characteristics of compound formed by transfer of electrons .
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Answer:With arrows, illustrate the transfer of electrons to form calcium chloride from Ca atoms and Cl atoms.
Solution
A Ca atom has two valence electrons, while a Cl atom has seven electrons. A Cl atom needs only one more to complete its octet, while Ca atoms have two electrons to lose. Thus we need two Cl atoms to accept the two electrons from one Ca atom. The transfer process looks like this:
CaCl-1
The oppositely charged ions attract each other to make CaCl2.
Explanation:
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