The film discusses the classification of matter into homogeneous and heterogeneous types, focusing on elements, compounds, and mixtures. It explains the properties of two elements, iron and sulfur, ...

A Popular Science columnist has transformed the prosaic periodic table into a drop-dead gorgeous coffee-table book. Each of the first 100 elements gets a stunning spread with a brief bio, including ...

You may have noticed that the rock formations are very different colors. The rock formations on the left are from Red Rock State Park in Texas, and on the right is El Capitan Mountain in Yosemite ...

Students will learn how to categorize matter as either pure substances or mixtures. Students will apply tests, based on physical properties of matter samples, to determine whether a mixture is ...

All good research breaks new ground, but rarely does the research unearth truths that challenge the foundation of a science. That's what chemists have now done. Scientists have compressed sodium ...

Scientists have found the first case of an ionic crystal consisting of just one chemical element -- boron. This is the densest and hardest known phase of this element. The new phase turned out to be a ...

Chemistry's periodic table can now welcome livermorium and flerovium, two newly named elements, which were announced Thursday (Dec. 1) by the International Union of Pure and Applied Chemistry. The new ...

Researchers from The University of Osaka created a reagent for important building-block molecules with an abundant main-group element, gallium. These early findings show that an organic gallium ...

Researchers at the Paul Scherrer Institute PSI have developed a new analytical method that can detect even tiny amounts of ...