What is the name of the compound that has one aluminum atom and three oxygen atoms?

1 Answer
Truong-Son N.
Jun 9, 2017

There is none, because this compound doesn't exist.

#[stackrel(+3)"Al"stackrel(" "3 xx -2)("O"_3)]^(3-)#

fits your description, which is remarkably unstable and would not exist. #"AlO"_4^(5-)# exists in #"Na"_5"AlO"_4#, an aluminate oxyanion, and #"Al"("OH")_3# exists, aluminum hydroxide...

We can however have #"Al"_2"O"_3#, aluminum oxide, as #2 xx (+3) + 3 xx (-2) = 0#, as required by conservation of charge.

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