Question

Which of the following elements is not present abundantly in earth's crust Silicon Aluminium Sodium Oxygen​

Answer 1

Answer:

sodium

oxygen, silicon and aluminum are the three most common elements present in the earth's crust

Answer 2

Sodium is not present abundantly in the earth's crust

The Earth's crust is a thin outer layer that makes up less than 1% of the planet's total volume. It is the top half of the lithosphere, which is made up of the crust and the upper part of the mantle and is a division of the layers of the Earth.

95% of the rocks that make up the Earth's crust are igneous and metamorphic, while 4% are shale, 0.75% are sandstone, and 0.25% are limestone. 88.1% of the mass of the Earth's crust is made up of the elements oxygen, silicon, aluminum, and iron, and the remaining 11.9 percent is made up of another 90 elements.

47%  of the Earth's crust is oxygen, 28% is silicon, and 8.1% is aluminum. Only 2.8% of the Earth's crust is sodium

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