Silicon Facts

Silicon Facts
Silicon (Si) is the second most abundant element by weight on Earth, second only to oxygen. It has fourteen protons in the nucleus, giving it an atomic number of fourteen.
Interesting Silicon Facts:
Jacob Berzelius is typically credited with discovering silicon in 1824.
It is the eighth most abundant element in the universe by weight.
It is almost never found as a pure free element naturally.
Silicon makes up slightly more than 27% of the Earth's crust.
Over 90% of the crust is made of silicate-containing minerals and compounds.
Most of the silicon on Earth is found in the form of silicon oxides like sand and quartz.
Silicon is found in abundance in many minerals.
It is vital for life in both plants and animals.
Freshwater and oceanic diatoms extract silicon from the water to build their cells walls.
Silicon is important for the production of steel.
One of the most important abrasives for industrial uses is made from silicon carbide.
Silicon is responsible for a dangerous lung disease called silicosis that can affect professionals who breathe silicon dust.
Silicon is used industrially with very little processing of its compounds.
Silicon has a higher density when it is in liquid form than when it is a solid.
It is a solid at room temperature.
Silicon has three stable isotopes, the most abundant being Si-28.
Silicon is the main element in many meteorites.
Most of the global silicon production goes into creating an alloy known as ferrosilicon, which contains iron.
Silicon in more refined form is used in electronics and semiconductors.
Only a handful of organisms on Earth have a biological need for silicon.

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