HomeElement listsGoldschmidt Classificationsynthetic

Goldschmidt Classification: synthetic

Synthetic or radioactive trace elements; excluded from the Goldschmidt classification.

43Tc

Technetiumshiny gray metal

61Pm

Promethiummetallic

84Po

Poloniumsilvery

85At

Astatineunknown, probably metallic

Radoncolorless gas

Radiumsilvery white metallic

89Ac

Actiniumsilvery-white, glowing with an eerie blue light; sometimes with a golden cast

91Pa

Protactiniumbright, silvery metallic luster

93Np

Neptuniumsilvery metallic

94Pu

Plutoniumsilvery white, tarnishing to dark gray in air

95Am

Americiumsilvery white

96Cm

Curiumsilvery metallic, glows purple in the dark

97Bk

Berkeliumsilvery

98Cf

Californiumsilvery

99Es

Einsteiniumsilvery; glows blue in the dark

Tennessinesemimetallic (predicted)

118Og

Oganessonmetallic (predicted)

H He Li Be B C N O F Ne Na Mg Al Si P S Cl Ar K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn Fr Ra Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og

Legend

atmophile lithophile chalcophile siderophile synthetic