Element with atomic number 45 (7)
I believe the answer is:
rhodium
(Other definitions for rhodium that I've seen before include "Metallic element, atomic no 45" , "Hard metallic element" , "Hard metal" , "Chemical element, symbol Rh" .)
I believe the answer is:
rhodium
(Other definitions for rhodium that I've seen before include "Metallic element, atomic no 45" , "Hard metallic element" , "Hard metal" , "Chemical element, symbol Rh" .)