s block d block p block Transition metals G rou p 3 Mg Al 3456789101112 4 Ca Sc Ti V Cr Mn Fe Co Ni Cu ZnGa 5 Sr Y Zr Nb Mo Tc Ru rh Pd Ag CdIn 6 Ba Lu Hf Ta w Re Os Ir Pt Au HgTl 7 Ra f block Tm Yb Lanthanides Ac Th Md No Actinides Transition” metals
“Transition” metals
过渡金属的特性 变价性 配合物 颜色 ·磁性 From highly reactive metals of the s block to the much less reactive metals of Group 12 and the p block
过渡金属的特性 • 变价性 • 配合物 • 颜色 • 磁性 From highly reactive metals of the s block to the much less reactive metals of Group 12 and the p block
Trends in Physical Properties all the d-block elements are metals Most, good electrical conductors Most, malleable, ductile(延展), lustrous(光 ) silver-white in color Generally, higher melting and boiling points 例外:Hg, ow melting point, Liquid(RT) Cu, red-brown and Au, yellow
Trends in Physical Properties • All the d-block elements are metals. • Most, good electrical conductors. • Most, malleable, ductile(延展), lustrous(光 泽), silver-white in color. • Generally, higher melting and boiling points. 例外: Hg, low melting point, Liquid(RT) Cu, red-brown and Au, yellow
roup 3 8 10 11 12 164147 3s129137124121228137 182 160 134137 14435 1723591471(141(37135136 9144155 La-L 原子半径(d元素,pm):相似性; 镧系收缩( lanthanide contraction) (From 224pm for Ba to 172pm for Lu)
原子半径（ d区元素，pm）：相似性； 镧系收缩（ lanthanide contraction） (From 224pm for Ba to 172pm for Lu) La-Lu
Scandium through Nickel Table 21. 1 Properties of the d-block elements scandium through nickel Electron Melting Boiling Name Symbol contiguration Doint.C point, C candium 3d4s2 1540 2800 299 22 titanium cTv 3d45 1660 3300 3d34s2 1920 3400 6.11 chromiun 3d54 1860 2600 manganese Mn 3d542 1250 2120 7.47 5678 Iron cobalt nickel cM 3d4s2 1540 2760 787 3d7 1494 3d642 1455 2150
Scandium through Nickel