Jawabanmu

2014-09-09T19:00:09+07:00
Khrom (Cr), besi (Fe),nikel (Ni),tembaga (Cu),seng (Zn),platina (Pt),emas (Au)
2014-09-09T19:07:08+07:00
Magnesium(Mg),alumunium(Al),natrium(Na),kalsium(Ca)kalium(K),barium(Ba),lantan(La),radium(Ra),sirkon(Zr),litrium(Y)
Aluminium(ai),emas(au),perak(ag),kalsium(ca),tembaga(cu),besi(fe),natrium(na),timbal(pb),timah(sn)
aktinium(Ac),alumunium(Al),amersium(Am),antimon(Sb),argon(Ar),arsen(As),astat(At),barium(Ba),berkelium(Bk),berilium(Be),bismut(Bi),bor(B)