‘WHAT? By giving up its lone outer electron, a sodium atom achieves a desirable quantum mechanical configuration and is left with a positive charge. By accepting an extra electron, chlorine fills its eight electrons and gains a negative charge. The charged ions are then held together to make molecules and crystals of common salt (NaCl) by electrostatic forces… Lassie, are you absolutely sure that’s what the professor told you?’
The week ends as it began, with Keir Starmer outlining plans to curb child poverty, news that Rachel Reeves won’t face a formal investigation into whether she misled the markets over her Budget, ministers growing bolder about opposing Brexit and questions about the future of the war in Ukraine. For me the most interesting question
