the.com/protactinium
the periodic table's rare grouch, radioactive enough to ruin your day and your DNA.
vanishing rarityLess than a gram exists in most countries
costly extractionOne gram once cost around 500,000 dollars
toxic glowAmong the most dangerous naturally occurring elements
name originGreek for before actinium, which it decays into
late arrivalPredicted by Mendeleev, isolated only in 1934