A group of researchers at the University of Tokyo have spent years testing the limits of chemical bonds. And now, after years of work, they've finally explored an idea originally proposed in 1931: a ...

A team of researchers from the North China Electric Power University and the National Institute of Metrology in China has ...

Bond polarity, driven by differences in electronegativity, explains why some molecules dissolve in water, why others don’t, and why substances have different boiling points. Polar bonds have unequal ...

The distribution of outermost shell electrons, known as valence electrons, of organic molecules was observed for the first time. As the interactions between atoms are governed by the valence electrons ...

This video explains covalent bonding. A covalent bond is a shared pair of electrons. Covalent bonding forms molecules. Substances with small molecules have low melting and boiling points and do not ...

In a recent paper in ACS Central Science, researchers report a strategy for targeting covalent modifications to specific sites on proteins. The modifier molecules use an antibody to target a protein ...

Prior to 2000, many drugs that formed a covalent bond with targets did so non-selectively, which often led to undesired side effects when compared to non-covalent drugs. This led to the belief that ...

Why it matters: The periodic table organizes elements by atomic number and properties, making it a powerful tool for predicting reactivity and bonding tendencies. Learning made easier: Interactive ...

A research team from Hokkaido University has confirmed a century-old theory by discovering a stable single-electron covalent bond, known as a sigma bond, between two carbon atoms. This unique bond ...

Researchers developed a photocatalytic covalent organic framework that selectively captures gold from electronic waste ...