'Pure' has a specific meaning in chemistry. A pure substance is a single element or compound not mixed with any other substance. A mixture contains two or more different substances mixed together, ...

BEAVER, Pa. — When Fin Heron arrived at Penn State Beaver as a first-year student in 2023, he knew he wanted to do chemistry ...

Scientists at SLAC accidentally created solid binary gold hydride while studying diamond formation under extreme conditions, revealing exotic chemistry, planetary insights, and a new way to study ...