Question

name the elements found in various layers of the earth.

Answer 1

Answer:

Hii

Tarbuck, Earth's crust is made up of several elements: oxygen, 46.6 percent by weight; silicon, 27.7 percent; aluminum, 8.1 percent; iron, 5 percent; calcium, 3.6 percent; sodium, 2.8 percent, potassium, 2.6 percent, and magnesium, 2.1 percent.

Answer 2

Answer:

Earth's crust is made up almost entirely of eight elements, four of them alone claiming almost nine-tenths of this layer's total weight:

1. oxygen comes in at 46.6 percent by mass
2. silicon at 27.7 percent
3. aluminum at 8.1 percent
4. iron at 5 percent
5. calcium, 3.6 percent
6. sodium, 2.8 percent
7. potassium, 2.6 percent
8. magnesium, 2.1 percent.

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