The latest short science news items from C&EN. Open an introductory chemistry textbook. What is a covalent bond? A covalent bond occurs when atoms share electrons in a molecule. What is a hydrogen ...
When two hydrogen atoms get close enough, the electron from each atom feels an attraction from the proton in the other atom's nucleus. This attraction pulls the atoms together. The electrons end up ...
They are especially good photocatalysts for the production of hydrogen by splitting water with solar energy: covalent organic frameworks based on triazines. For this application, the frameworks need ...
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