In the periodic table of elements there is one golden rule for carbon, oxygen, and other light elements. Under high pressures they have similar structures to heavier elements in the same group of ...

To create the new form, the team exposed nitrogen to extreme heat and pressure. It was pressed together between two diamonds to 1.4 million atmospheres of pressure, and over 4,000 °C (7,232 °F).

Fertilizers make plants grow by delivering nitrogen (and other elements, like phosphorus) in high-octane forms. Early farmers fertilized crops with urine or dung, usually scraped from "stables ...

The elements on the periodic table of elements are listed in ways that emphasize certain relationships. There are families, periods (the horizonal rows) and groups (the vertical columns).