Halogen bonding, akin to hydrogen bonding, is a noncovalent interaction between a positive region on a halogen atom and a negative site, such as a lone pair on a nitrogen or oxygen. Following on the ...

At any given point of time, there is only about 25 g of astatine that occurs naturally on our planet. If that doesn’t wow you, then it’ll help to nudge you along by mentioning that that is less than ...