Post-Transition Metal

8 elements

Metals to the right of transition metals in the periodic table. They are softer and have lower melting points than transition metals. These elements include common metals like aluminum, tin, and lead.

13 Solid Al Aluminum 26.982 u

MP: 660.3 °C BP: 2469.8 °C

31 Solid Ga Gallium 69.723 u

MP: 29.8 °C BP: 2399.8 °C

49 Solid In Indium 114.82 u

MP: — BP: —

50 Solid Sn Tin 118.71 u

MP: — BP: —

81 Solid Tl Thallium 204.38 u

MP: — BP: —

82 Solid Pb Lead 207.2 u

MP: — BP: —

83 Solid Bi Bismuth 208.98 u

MP: — BP: —

84 Solid Po Polonium 209.0 u

MP: — BP: —

Comparison Table

#	Symbol	Name	Mass (u)	Melting Pt	Boiling Pt	Density	Phase
13	Al	Aluminum	26.982	660.3 °C	2469.8 °C	2.7	Solid
31	Ga	Gallium	69.723	29.8 °C	2399.8 °C	5.91	Solid
49	In	Indium	114.82	—	—	—	Solid
50	Sn	Tin	118.71	—	—	—	Solid
81	Tl	Thallium	204.38	—	—	—	Solid
82	Pb	Lead	207.2	—	—	—	Solid
83	Bi	Bismuth	208.98	—	—	—	Solid
84	Po	Polonium	209.0	—	—	—	Solid