lithium s on a metal periodic table with greyish black lithium on dark background.

atomic energy nuclear lithium resource natural fusion fission icon mineral rock stone steel metallic metal power plant reactor clean renewable atom chemical chemistry earth element industry material object periodic table physics radiation radioactive radiometric realistic school science scientific set sign solution substance symbol technology battery pure design education laboratory number electricity molecule system cell structure mining square electron pile horizontal fine charge grey copy space elements greyish black dark background rendered background