Germanium
[properties]
brittle metalloid

Germanium
[uses]

Polonium
[properties]
radioactive, long-lived

Polonium
[uses]

Thallium
[properties]
soft metal, toxic

Thallium
[uses]

Indium
[properties]
soft metal

Indium
[uses]

Tin
[properties]
non-corroding soft metal

Tin
[uses]

Bismuth
[properties]
low melting-point brittle metal

Bismuth
[uses]

Aluminum
[properties]
lightweight non-corroding metal

Aluminum
[uses]

Antimony
[properties]
brittle metalloid

Antimony
[uses]

Lead
[properties]
dense, soft, non-corroding metal, toxic

Lead
[uses]

Gallium
[properties]
soft metal, melts on a hot day

Gallium
[properties]
