Element 120: why scientists must ditch calcium for a riskier bullet
Element 120: The Periodic Table’s Next Impossible Row The Element That Doesn’t Exist Yet Element 120 doesn’t exist. Not yet. Chemists call it unbinilium, symbol Ubn, a placeholder name for something no lab has ever produced. If it’s made, it will be the first atom ever to sit in the periodic table’s eighth row, a … Read more