Rutherfordium

Element 104 was synthesized, sparking a naming controversy between Soviet and American scientists. This discovery contributed to the expansion of the periodic table with a new transuranium element. The soviets named it Kurchatovium after the leader of the Soviet nuclear bomb project.
 United States, Russia 1964 Rutherfordium

Element 104 was synthesized, sparking a naming controversy between Soviet and American scientists. This discovery contributed to the expansion of the periodic table with a new transuranium element. The soviets named it Kurchatovium after the leader of the Soviet nuclear bomb project.