National Periodic Table Day, observed annually on February 7, honors one of the most significant achievements in scientific ...

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. The high melting point of ...

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Some elements in the periodic table, such as carbon, silicon, and germanium, are intrinsic semiconductors due to the number of electrons in their outermost electron shells. By comparison ...

After a breakdown in US-Russia relations, Riken finds itself ahead of its rivals. And Lawrence Berkeley National Laboratory chases element 120 ...

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Both rubies and emeralds are minerals, which is a type of rock with a consistent chemical composition and a highly ordered ...

Rubies and emeralds have the colors they do because, like many substances, they absorb some colors of light. Most visible light, like sunlight, is composed of all the colors of the rainbow: red, ...

One feature of compounds made with transition metals is their intense colour. There are many examples in nature, including ...

After a Chinese export ban, can America get gallium and germanium from Canada — or will tariffs get in the way?