'Atomic number 27, this silvery metallic element is named for a cave-goblin'
cobalt
FROM THE GERMAN: Atomic number 27, this silvery metallic element is named for a cave-goblin
Atomic number 27, this silvery metallic element is named for a cave-goblin
Atomic number 27, this silvery metallic element is named for a cave-goblin
FROM THE GERMAN
cobalt
FROM THE GERMAN