Silicon is the most typical element of the Earth's crust, although it is worth noting that the crust also contains quite a lot of oxygen. Silicon and oxygen are often found together.
Oxygen is the most abundant element in the Earth's crust, making up about 46.6% of its mass.
water
The principle element found at the Earth's core is iron.
The element carbon is not found in large quantities in Earths mantle.
The crust
the mantle
7
continents
Mountains
silicon
Silicon is the second most abundant element in the Earth's crust and is the principal component of sand and quartz minerals. Silicon forms the basis of silicate minerals, which make up a large portion of the Earth's crust.
The large landmasses on Earth's crust are called continents. These are the major divisions of land on our planet.