Silicon is a primordial element, created during the Big Bang or by nuclear fusion during a supernova. It's the eighth most abundant element in the observable Universe, but the third most abundant on ...

Silicon is a semiconductor in group IVA of the periodic table with atomic number 14, an atomic weight of 28.086, and a density of 2.33 Mg/m 3. It melts at 1410 C. The electronic configuration of the ...

A periodic table of chemical elements showing where every atom in the solar system comes from. ... (Mg), silicon (Si), and iron (Fe) — it took billions upon billions of years.

The book makes the periodic table accessible so that students can make sense of the elements and ... the Earth is 34.6 percent iron, 29 percent oxygen, 15 percent silicon, 12.7 percent ...

There's a clever design to the Periodic Table. Can you guess why every element has its own special spot? See if you're right with BBC Bitesize.

There's a clever design to the Periodic Table. Can you guess why every element has its own special spot? ... Its properties were similar to the predicted ones of Mendeleev’s ‘eka-silicon’.