Very light metal (7)
I believe the answer is:
lithium
(Other definitions for lithium that I've seen before include "Light metal element" , "Soft silvery element" , "Lightest-known metal" , "Lightest metallic element" , "Light metallic element" .)
I believe the answer is:
lithium
(Other definitions for lithium that I've seen before include "Light metal element" , "Soft silvery element" , "Lightest-known metal" , "Lightest metallic element" , "Light metallic element" .)