Sulfur is another element. It contains only sulfur atoms, and nothing else, so it is pure. When we mix two different pure substances together, like this, it’s a mixture. This is now a mixture of ...

Chemistry: Elements, Compounds, and Mixtures (2nd Edition) (1983) is a 20-minute educational film from the *Chemistry Series* by Coronet Instructional Films, distributed by Simon and Schuster.

Like real gold and Fool’s gold. But what if my sample has several different types of elements and compounds all mixed together? Matter can also be classified as a mixture. Mixtures can either be ...

The liquid-like light elements are highly diffusive in iron sublattices under inner core conditions. This study was published in Nature on Feb. 9. A superionic state, which is an intermediate ...

They replaced didymium - wrongly thought to be an element but in fact a mixture of the two. "The reason I like them is because they're called the green twin and the new twin," says Sella.