d 区块

21 Sc 钪 44.956 22 Ti 钛 47.867 23 V 钒 50.941 24 Cr 铬 51.996 25 Mn 锰 54.938 26 Fe 铁 55.84 27 Co 钴 58.933 28 Ni 镍 58.693 29 Cu 铜 63.55 30 Zn 锌 65.4 39 Y 钇 88.906 40 Zr 锆 91.22 41 Nb 铌 92.906 42 Mo 钼 95.95 43 Tc 锝 96.906 44 Ru 钌 101.1 45 Rh 铑 102.906 46 Pd 钯 106.42 47 Ag 银 107.868 48 Cd 镉 112.41 72 Hf 铪 178.49 73 Ta 钽 180.948 74 W 钨 183.84 75 Re 铼 186.207 76 Os 锇 190.2 77 Ir 铱 192.22 78 Pt 铂 195.08 79 Au 金 196.967 80 Hg 汞 200.59 104 Rf 𬬻 267.122 105 Db 𬭊 268.126 106 Sg 𬭳 269.128 107 Bh 𬭛 270.133 108 Hs 𬭶 269.134 109 Mt 鿏 277.154 110 Ds 𫟼 282.166 111 Rg 𬬭 282.169 112 Cn 鿔 286.179