9 Arrange the following ions in order of decreasing size.

(A)O²⁻＞Na⁺＞Al³⁺

(B)O²⁻＞Al³⁺＞Na⁺

(C)Na⁺＞Al³⁺＞O²⁻

(D)Al³⁺＞O²⁻＞Na⁺

(E)Al³⁺＞Na⁺＞O²⁻

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