The Silicate Ion Shown in the Picture Below Combines with Beryllium

question 179

Multiple Choice

The silicate ion shown in the picture below combines with beryllium and aluminum to form the mineral beryl.What is the formula and charge of the silicate ion?

• A)Si₆O₆¹²⁺
• B)Si₆O₁₂^2-
• C)Si₆O₁₈^12-
• D)Si₆O₂₄^24-

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