Covalent Bond: They are formed by sharing of electrons and have low melting and boiling point. These are soluble in organic solvents and are non-conductor of electricity. However graphite and diamond ...

Silica has a giant covalent structure containing silicon atoms (grey) and oxygen atoms (red) Learn more on properties of giant covalent compounds in this podcast. Listen to the full series on BBC ...

When most small-molecule drugs meet a protein target, they nestle close to their intended. But the flirtatious relationship between drug and target is often fleeting, with the drug repeatedly drifting ...