Post-transition metals
Post-transition metals (sometimes called poor metals) sit between the transition metals and the metalloids. They include aluminium, gallium, indium, tin, thallium, lead and bismuth. They share the metallic appearance and conductivity of the transition metals but are softer and lower-melting, and form less reactive compounds.
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All elements
Nonmetals
Noble gases
Alkali metals
Alkaline earth metals
Metalloids
Post-transition metals
Transition metals
Lanthanides
Actinides
13
26.9815
Al
Aluminium
Post-Transition Metal
31
69.7231
Ga
Gallium
Post-Transition Metal
49
114.818
In
Indium
Post-Transition Metal
50
118.711
Sn
Tin
Post-Transition Metal
81
204.382
Tl
Thallium
Post-Transition Metal
82
207.21
Pb
Lead
Post-Transition Metal
83
208.98
Bi
Bismuth
Post-Transition Metal
84
209
Po
Polonium
Post-Transition Metal
114
289
Fl
Flerovium
Post-Transition Metal