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There are 8 elements that together make up 98.5% of earth crust oxygen 46.6% aluminum 8.1% iron 5.0% calcium 3.6% sodium 2.8% potassium 2.6% magnesium 2.1% and silicon what percentage of earth crust is silicon

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peridorito8864
If you add up the percentages of the listed elements, it comes to 70.8 %.

98.5 - 70.8 = 27.7

Silicon makes up 27.7 % of the earth's crust.

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