Silicon is also used in a variety of human made products such as most electronics, and microchips as well as glass products and bricks. Sand is mostly made up of silicon based minerals and rocks. Silicon Dioxide is also what most sand is made out of, and a large part of the reason it is so commonly found in the earth’s crust. Silicon dioxide is the main component of many types of hard crystalline rocks such as quartz, amethyst, opal and rock crystal. Silicon dioxide is one of the most common of these compounds, and is composed of silicon and oxygen. It makes up some 28% of the crust, and can be found in a wide variety of minerals and elemental compounds, usually in conjunction with oxygen. It is one of the main components in most living things.Īs mentioned in the case of silicate, silicon is also a prominent element found in the Earth’s crust. Even more than this, most organic life on earth requires oxygen for survival. Liquid oxygen is highly combustible and used as a fuel, while oxygen and acetylene creates a flame hot enough for welding and metal melting. Oxygen also pairs with iron to create iron ore and various iron compounds which make up much of the Earth’s crust. In the Earth’s crust, there is a great deal silicate, which is formed from silicon and oxygen. Because of this, oxygen is found in a large number of common compounds both on Earth and in the crust, specifically. Oxygen is an element which is highly reactive and also easily combines with other elements. It is arguably the most important element to life on Earth, and indeed it comprises roughly two thirds of the human body’s components. Oxygen makes up 21% of the Earth’s atmosphere and 90% of the mass of water. Within the universe at large, Oxygen ranks number three in abundance. This means it makes up roughly 46% of the Earth’s crust. Oxygen is the most abundant element in the Earth’s crust, at 461,000 parts per million. One of the most prominent and important elements that make up the crust of the earth is Oxygen. % Abundance of elements in Earth's Crust. 10 Most Abundant Elements In Earth's Crust
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