Chemistry

1.Arrange the following oxides in the order of increasing basicity.
-Al2O3
-B2O3
-CaO
-Ga2O3
-In2O3
-RaO

2.Arrange the following oxides in the order of most basic to most acidic.
-Al2O3
-Cl2O7
-Cs2O
-N2O5
-Na2O
-P2O5
-SO3

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asked by Mark
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