bartholomeus
Unsur logam : Fe (besi), Pb (timbal), K (kalium), Ca (kalsium), Sn (timah), Au (emas), Cu (tembaga) zat cair : Cs (sesium), Fr (fransium), Hg (raksa), Ga (galium), Br (bromium) gas : H (hidrogen), O ( oksigen), N (nitrogen), He (helium), Cl (klorin)
zat cair : Cs (sesium), Fr (fransium), Hg (raksa), Ga (galium), Br (bromium)
gas : H (hidrogen), O ( oksigen), N (nitrogen), He (helium), Cl (klorin)