1 氢H 1.007 94(1) 2 氦He 4.002 602(2) 3 锂Li 6.941(2) 4 铍Be 9.012 182(3) 5 硼B 10.811(7) 6 碳 C 12.0107(8) 7 氮N 14.006 7(14) 8 氧O 15.999 4(16) 9 氟F 18.998 403 2(5) 10 氖Ne 20.179 7(6) 11钠Na 22.989 769 28(2) 12 镁Mg 24.305 0(6) 13 铝Al 26.981 538 6(8) 14 硅Si 28.085 5(3) 15 磷P 30.973 762(2) 16 硫S 32.065(5) 17 氯Cl 35.453(2) 18 氩Ar 39.948(1) 19 钾K 39.098 3(1) 20 钙Ca 40.078(4) 21 钪Sc 44.955 912(6) 22 钛Ti 47.867(1) 23 钒V 50.941 5(1) 24 铬Cr 51.996 1(6) 25 锰Mn 54.938 045(5) 26 铁Fe 55.845(2) 27 钴Co 58.933 195(5) 28 镍Ni 58.693 4(2) 29 铜Cu 63.546(3) 30 锌Zn 65.409(4) 31 镓Ga 69.723(1) 32 锗Ge 72.64(1) 33 砷As 74.921 60(2) 34 硒Se 78.96(3) 35溴Br 79.904(1) 36 氪Kr 83.798(2) 37 铷Rb 85.467 8(3) 38 锶Sr 87.62(1) 39 钇Y 88.905 85(2) 40 锆Zr 91.224(2) 41 铌Nb 92.906 38(2) 42 钼Mo 95.94(2) 43 锝Tc [97.9072] 44 钌Ru 101.07(2) 45 铑Rh 102.905 50(2) 46 钯Pd 106.42(1) 47 银Ag 107.868 2(2) 48 镉Cd 112.411(8) 49 铟In 114.818(3) 50 锡Sn 118.710(7) 51 锑Sb 121.760(1) 52 碲Te 127.60(3) 53 碘I 126.904 47(3) 54 氙Xe 131.293(6) 55 铯Cs 132.905 451 9(2) 56 钡Ba 137.327(7) 57 镧La 138.905 47(7) 58 铈Ce 140.116(1) 59 镨Pr 140.907 65(2) 60 钕Nd 144.242(3) 61钷Pm [147] 62 钐Sm 150.36(2) 63 铕Eu 151.964(1) 64 钆Gd 157.25(3) 65 铽Tb 158.925 35(2) 66 镝Dy 162.500(1) 67 钬Ho 164.930 32(2) 68 铒Er 167.259(3) 69 铥Tm 168.934 21(2) 70 镱Yb 173.04(3) 71 镥Lu 174.967(1) 72 铪Hf 178.49(2) 73 钽Ta 180.947 88(2) 74 钨W 183.84(1) 75 铼Re 186.207(1) 76 锇Os 190.23(3) 77 铱Ir 192.217(3) 78 铂Pt 195.084(9) 79 金Au 196.966 569(4) 80 汞Hg 200.59(2) 81 铊Tl 204.383 3(2) 82 铅Pb 207.2(1) 83 铋Bi 208.980 40(1) 84 钋Po [208.982 4] 85 砹At [209.987 1] 86 氡 Rn [222.017 6] 87 钫 Fr [223] 88 镭Ra [226.0254] 89 锕Ac [2270278] 90钍Th 232.038 06(2) 91 镤 Pa 231.035 88(2) 92 铀U 238.028 91(3) 93 镎Np [237.0482] 94 钚Pu [244] 95 镅Am [243] 96 锔Cm [247] 97 锫Bk [247] 98 锎Cf [251] 99 锿Es [252] 100 镄Fm [257] 101钔 Md [258] 102 锘 No [259] 103 铹Lr [260] 104钅卢Rf [261] 105钅杜Db [262] 106 钅喜Sg [266] 107 钅波Bh [264] 108 钅黑Hs [277] 109 钅麦Mt [268] 110 钅达Ds [271] 111錀Rg [272] 112Cn[277] 113Uut[284] 114 Uuq[289] 115Uup[288] 116 Uuh[292] 117 Uus[291] 118 Uuo[293]
以上摘自百度百科,你也可以在百度上搜化学元素周期表,会有很全的显示出来,很方便的
你都高一了 教材后面不是有元素周期表吗? 查一下就知道了
百度上问初中化学课本书呀
1 氢H 1.007 94(1) 2 氦He 4.002 602(2) 3 锂Li 6.941(2) 4 铍Be 9.012 182(3) 5 硼B 10.811(7) 6 碳 C 12.0107(8) 7 氮N 14.006 7(14) 8 氧O 15.999 4(16) 9 氟F 18.998 403 2(5) 10 氖Ne 20.179 7(6) 11钠Na 22.989 769 28(2) 12 镁Mg 24.305 0(6) 13 铝Al 26.981 538 6(8) 14 硅Si 28.085 5(3) 15 磷P 30.973 762(2) 16 硫S 32.065(5) 17 氯Cl 35.453(2) 18 氩Ar 39.948(1) 19 钾K 39.098 3(1) 20 钙Ca 40.078(4) 21 钪Sc 44.955 912(6) 22 钛Ti 47.867(1) 23 钒V 50.941 5(1) 24 铬Cr 51.996 1(6) 25 锰Mn 54.938 045(5) 26 铁Fe 55.845(2) 27 钴Co 58.933 195(5) 28 镍Ni 58.693 4(2) 29 铜Cu 63.546(3) 30 锌Zn 65.409(4) 31 镓Ga 69.723(1) 32 锗Ge 72.64(1) 33 砷As 74.921 60(2) 34 硒Se 78.96(3) 35溴Br 79.904(1) 36 氪Kr 83.798(2) 37 铷Rb 85.467 8(3) 38 锶Sr 87.62(1) 39 钇Y 88.905 85(2) 40 锆Zr 91.224(2) 41 铌Nb 92.906 38(2) 42 钼Mo 95.94(2) 43 锝Tc [97.9072] 44 钌Ru 101.07(2) 45 铑Rh 102.905 50(2) 46 钯Pd 106.42(1) 47 银Ag 107.868 2(2) 48 镉Cd 112.411(8) 49 铟In 114.818(3) 50 锡Sn 118.710(7) 51 锑Sb 121.760(1) 52 碲Te 127.60(3) 53 碘I 126.904 47(3) 54 氙Xe 131.293(6) 55 铯Cs 132.905 451 9(2) 56 钡Ba 137.327(7) 57 镧La 138.905 47(7) 58 铈Ce 140.116(1) 59 镨Pr 140.907 65(2) 60 钕Nd 144.242(3) 61钷Pm [147] 62 钐Sm 150.36(2) 63 铕Eu 151.964(1) 64 钆Gd 157.25(3) 65 铽Tb 158.925 35(2) 66 镝Dy 162.500(1) 67 钬Ho 164.930 32(2) 68 铒Er 167.259(3) 69 铥Tm 168.934 21(2) 70 镱Yb 173.04(3) 71 镥Lu 174.967(1) 72 铪Hf 178.49(2) 73 钽Ta 180.947 88(2) 74 钨W 183.84(1) 75 铼Re 186.207(1) 76 锇Os 190.23(3) 77 铱Ir 192.217(3) 78 铂Pt 195.084(9) 79 金Au 196.966 569(4) 80 汞Hg 200.59(2) 81 铊Tl 204.383 3(2) 82 铅Pb 207.2(1) 83 铋Bi 208.980 40(1) 84 钋Po [208.982 4] 85 砹At [209.987 1] 86 氡 Rn [222.017 6] 87 钫 Fr [223] 88 镭Ra [226.0254] 89 锕Ac [2270278] 90钍Th 232.038 06(2) 91 镤 Pa 231.035 88(2) 92 铀U 238.028 91(3) 93 镎Np [237.0482] 94 钚Pu [244] 95 镅Am [243] 96 锔Cm [247] 97 锫Bk [247] 98 锎Cf [251] 99 锿Es [252] 100 镄Fm [257] 101钔 Md [258] 102 锘 No [259] 103 铹Lr [260] 104钅卢Rf [261] 105钅杜Db [262] 106 钅喜Sg [266] 107 钅波Bh [264] 108 钅黑Hs [277] 109 钅麦Mt [268] 110 钅达Ds [271] 111錀Rg [272] 112Cn[277] 113Uut[284] 114 Uuq[289] 115Uup[288] 116 Uuh[292] 117 Uus[291]