Write the chemical formula of Aluminium oxide
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Answer:
Al²O³
Step-by-step explanation:
The formula of aluminium oxide is given as Al²O³. How is this formula generated? First of all, we have to consider that aluminium is a metal and Oxygen is a non-metal making it an ionic compound. There is some charge in the aluminium and oxygen ions. Aluminium has a +3 charge whereas oxygen has -2 charge. On applying the criss-cross method we get the formula of aluminium oxide. Usually, aluminium loses three electrons while oxygen gains two electrons in the chemical process and this is mainly to achieve stability.
FormulaAl²O³
Molar Mass 101.960 g·mol-¹
Density 3.987g/cm³
Melting Point 2,072 °C
Boiling Point 2,977 °C
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