This illustration shows the steps in observing a chemical reaction, where molecules of carbon dioxide are excited and begin to break away from the surface of a catalyst – a crystal composed of ...

This year’s Chemistry HKDSE exam incorporated more diagrams in the questions than previous years, but the level of difficulty was similar, Chemistry teachers said. "About 13,000 candidates took ...

Health experts have only recently begun to explore the harmful — and potentially carcinogenic — properties of PFAS.

Ryo Suzuki and his team at the University of Colorado Boulder are pioneering this new approach to make textbooks dynamic and ...

A new crystallization theory shows that the solvent, not the solute, controls crystal formation. This two-step process improves predictions of crystal growth and has practical applications in areas ...

As the diagram shows, this arrangement means that certain elements ... He was educated by his father at home, and then studied for a year (1856) at the Royal College of Chemistry, which is now part of ...

Particle diagrams can be used to show the atoms of ... Need extra resources for your physics and chemistry lessons? In this seven-part series, materials scientist Mark Miodownik takes viewers ...

When two people unite in love, they form an entity—the couple—with a unique identity of its own. When one member dies, the ...

Reaction pathway diagrams display information about the energy changes during chemical reactions. Chemical energy Energy changes occur in chemical reactions as bonds are broken and new bonds formed.

Kwong also said that even though there was a new chemistry diagram in question 18, students should not have been intimidated by it. “It wasn’t directly linked to the question. If they looked ...

Do you go with your gut or take chance on love? Here is part two of what we know from watching Season Seven of Love Is Blind ...

At the Lenovo Tech World conference, the company reached well beyond hardware to present an end-to-end approach to AI for ...