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Question
Find the chemical formula of aluminum chloride. [2 MARKS]
Find the chemical formula of aluminum chloride. [2 MARKS]
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Solution
Each step: 1 Mark
1. Valency of aluminium = 3
2. Valency of chlorine =1
3. By crossing over the valencies we have AlCl3.
Each step: 1 Mark
1. Valency of aluminium = 3
2. Valency of chlorine =1
3. By crossing over the valencies we have AlCl3.
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