Introducing chemical reactions

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Question 10
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Aluminium, in Group 3, reacts with oxygen in Group 6 to form aluminium oxide. What is the balanced symbol equation for this reaction?

Al+O2→AlO2\text{Al} + \text{O}_2 \rightarrow \text{AlO}_2Al+O2​→AlO2​

2Al+3O→Al2O32\text{Al} + 3\text{O} \rightarrow \text{Al}_2\text{O}_32Al+3O→Al2​O3​

4Al+3O2→2Al2O34\text{Al} + 3\text{O}_2 \rightarrow 2\text{Al}_2\text{O}_34Al+3O2​→2Al2​O3​

2Al+3O2→2AlO32\text{Al} + 3\text{O}_2 \rightarrow 2\text{AlO}_32Al+3O2​→2AlO3​

Introducing chemical reactions Questions

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