In corundum, oxide ions are arranged in hcp array and the aluminium ions occupy two thirds of octahedral voids - Chemistry - The Solid State

Question

In corundum, oxide ions are arranged in hcp array and the aluminium
ions occupy two thirds of octahedral voids What is the formula of
corundum? need the answer very urgently

veena Vasandani · Accepted Answer

Kindly refer to the following link for a similar question:
https://www meritnation
com/ask-answer/question/a-compound-is-formed-by-two-elements-m-and-n-the-element-n/the-solid-state/6326606

For the given problem the answer is Al2O3

In corundum, oxide ions are arranged in hcp array and the aluminium ions occupy two thirds of octahedral voids. What is the formula of corundum? need the answer very urgently