What Is The Most Abundant Element In The Earth S Crust

It makes up almost half of the earth s crust in mass.

This means it makes up roughly 46 of the earth s crust. Oxygen o 2 is by far the most abundant element in earth s crust at 46 6 percent nearly half of the mass of the crust. The majority of the earth s crust is made up of silicates. It s the third most abundant of all elements in the crust making up eight percent by parts per million.

The abundance of elements in earth s crust is shown in tabulated form with the estimated crustal abundance for each chemical element shown as mg kg or parts per million ppm by mass 10 000 ppm 1. It contributes to about 46 6 of the weight of the. Top 10 most abundance elements on earth s crust. But the relatively thin crust consists of a large amount of aluminum with almost all terrestrial rocks having a percentage of aluminum in their makeup.

Silicon is one of the most common earth elements and one of the least used. Oxygen o 46 6 it is the most abundant element in the earth s crust. Estimates of elemental abundance are difficult because a the composition of the upper and lower crust are quite different and b the composition of the continental crust can vary. When you go deeper inside the earth iron becomes the most abundant metal.

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Oxygen is the most abundant element in the earth s crust at 461 000 parts per million. If you imagine silicon gel or wiring like the stuff that is needed for computer components it is hard to picture it occurring naturally. It also makes up 21 of the atmosphere. They must be refined into silicon.

Oxygen makes up 21 of the earth s atmosphere and 90 of the mass of water. Since oxygen is a highly reactive element in world conditions it is usually found as a compound. It readily combines with silicon si to form silicate minerals or with iron fe to form various iron ore compounds. Oxygen is a highly reactive element capable of combining with many other elements to form compounds.

They make up between 95 97 these numbers vary depending on the study you are reading but it is accepted that the. Within the universe at large oxygen ranks number three in abundance.