'This element, Pm, was named for the guy who gave fire to humanity in Greek legend'
promethium
IT'S ELEMENTAL: This element, Pm, was named for the guy who gave fire to humanity in Greek legend
This element, Pm, was named for the guy who gave fire to humanity in Greek legend
This element, Pm, was named for the guy who gave fire to humanity in Greek legend
IT'S ELEMENTAL
promethium
IT'S ELEMENTAL