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Using the periodic table predict the formula of compound which might be formed by the following pair of elements: silicon and bromine

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Using the periodic table predict the formula of compound which might be formed by the following pair of elements: silicon and bromine
A. `SiBr_(2)`
B. `SiBr_(4)`
C. `Si_(2)Br_(8)^(4-)`
D. `Si_(3)Br_(8)^(2-)`
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Correct Answer - B
Br is more EN than Si and Br needs one electron to complete its octete while Si needs 4 hence the formula of compound will be `SiBr_(4)`.
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