Zn 锌 65.38 31 Ga 镓 69.72 32 Ge 锗 72.5 33 As 砷 74.922 34 Se 硒 78.9 35 Br 溴 79.904 36 Kr 氪 83.8 37 Rb 铷 85.467 38 Sr 锶 87.62 39 Y 钇 88.906 40 Zr 锆 91.22 41 Nb 铌 92.9064 42 Mo 钼 95.94 43 Tc 锝 99 44 Ru 钌 161.0 45 Rh ...