Related: Periodic table of elements quiz: How many elements can you name in 10 minutes? ... That means all of the elements in the third period — sodium, magnesium, aluminum, silicon, ...

Silicon (Si) is a metalloid, element number 14 on the periodic table. Like carbon , silicon has four bonding sites, but silicon is more than twice as heavy as carbon.

You know the periodic table ... One of the biggest changes in decades is set to be made to the periodic table, with the atomic weight of 10 elements ... boron, carbon, nitrogen, oxygen, silicon ...

This post is the first in a three-part series on how living creatures use the elements of the periodic table. Learn more about the elements on NOVA's two-hour special, "Hunting The Elements." When ...

Silicon is the 14th element on the Periodic Table -- but, from concrete to microchips to alien life, it has the capacity to be so much more.

150 years ago, Russian chemist Dmitrii Mendeleev created the periodic table of the elements, ... His predictions for eka-silicon closely matched germanium (discovered in 1886) ...

While I don’t expect my elementary students to be able to memorize the periodic table of elements, ... By contrast, the Earth is 34.6 percent iron, 29 percent oxygen, 15 percent silicon, ...