Rubidium is more explosive than the alkali metals above it on the table, but it’s much more interesting when it’s standing almost perfectly still.
Like argon, today’s noble gas coincidentally features prominently in science fiction — albeit in name only. But krypton also takes a place in the science factual story of international weights and measures.
Don’t get too excited, because bromine is an element that brings the hammer down on both extreme emotions and extreme actions.
Throughout history, copying information has been arduous, messy, and even dangerous — until one bored, depressed man figured out the secrets of selenium.