| | | | | | | | | | | | | | | 10 | —— | Tantalum. | Tungsten. | —— | | | Ta = 183.0 | W = 184 | | | | | | | | | | | | | | | | | 11 | Lead. | Bismuth. | —— | —— | | Pb = 206.9 | Bi = 208 | | | | | | | | 12 | Thorium. | —— | Uranium. | —— | | Th = 232 | | U = 239 | | -------+------------+------------+------------+------------+- -------+---------------- Series.| Group VIII. -------+---------------- 0 | -- | 1 | | -- | 2 | -- | | 3 | -- | |{ Iron. |{ Fe = 55.9 |{ 4 |{ Cobalt. |{ Co = 59 |{ |{ Nickel. |{ Ni = 59(Cu) 5 | -- | |{ Ruthenium. |{ Ru = 101.7 |{ 6 |{ Rhodium. |{ Rh = 103.0 |{ |{ Palladium. |{Pd = 106.5(Ag) 7 | -- | | 8 | -- | | 9 | -- | |{ Osmium. |{ Os = 191 |{ 10 |{ Iridium. |{ Ir = 193 |{ |{ Platinum. |{Pt = 194.9(Au) 11 | -- | | 12 | -- | -------+-----------------