Approximately 100 free elements are found in the earth's crust. There are eight elements that are found in somewhat of an abundance. These include: oxygen, silicon, aluminum, iron, calcium, sodium, potassium, and magnesium.
is it oxygen
i have no clue
The crust of the earth is the top of the four layers. The crust has at least 78 known free elements.
wates up my hommey
Carbon
Oxygen and silicon are the two most abundant elements in the Earth's crust. They make up about 75% of the Earth's crust by weight.
17 only
Si, O, and Ca.
The Elements found in a high proportion in the Earths crust are, 1. Oxygen. 2. Silicon. 3. Aluminum. 4. Iron. 5. Calcium. 6. Sodium. 7. Potassium. 8. Magnesium.
How many elements make up the earths crust? The earths crust is made of many layers..You can find clay and very good soil. But that is if you dig a little way down. the earth has a center which is called the core of the earth. Inside this core is lava and is incredibly hot. Like the sun but not as hot..
Yes. That is what causes some of the Earths core heat. Elements being formed by radioactive decay. Look at the Earths' makeup and see that the percentages of elements follows the periodic chart by decay.
earths crust , oceans and atmosphere