When the alkali metals are cut, they initially appear shiny grey but quickly become dull and white as they react with oxygen in the air. This is known as tarnishing. Sodium tarnishes more quickly ...

The molecules he developed, called cryptands, 'recognized' specific alkali metals based on the ... to study labile covalent bonds such as imines and oximes, and how these may be used to drive ...

When the alkali metals react with the different halogens (Group 7 of the periodic table), the group of compounds formed are known as the alkali metals halides. Due to the fact that there are a ...

Toma at Universidade de São Paulo (USP), studying Ru-nitrosyls complexes with imine ligands. Then ... His research investigates the synthesis, structure and bonding of alkali-metal nickelates, with a ...