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族元素符号（红色为放射性元素）原子序数元素名称（注“*”为人造元素）元素周期表1 H氢1.008 相对原子质量（加“[ ]”的数据为该放射性元素半衰期最长同位素的质量数）金属元素非金属元素ⅠA0周期1181 1 H2 He氢ⅡAⅢAⅣAⅤAⅥAⅦA氦1.008 213 14 15 16 17 4.0032 3 LI 4Be 5B6C7N8O9F10 Ne锂铍硼碳氮氧氟氖6.941 9.012 10.81 12.01 14.01 16.00 19.00 20.18311 Na钠22.99 12 Mg镁24.31ⅢB3ⅣB4ⅤB5ⅥB6ⅦB7 8Ⅷ9 10ⅠB11ⅡB1213 Al铝26.9814 Si硅28.0915 P磷30.9716 S硫32.0617 Cl氯35.4518 Ar氩39.95419 K钾39.10 20 Ca钙40.0821 Sc钪44.9622 Ti钛47.8723 V钒50.9424 Cr铬52.0025 Mn锰54.9426 Fe铁55.8527 Co钴58.9328 Ni镍58.9629 Cu铜63.5530 Zn锌65.3831 Ga镓69.7232 Ge锗72.6333 As砷74.9234 Se硒78.9635 Br溴79.9036 Kr氪83.80537 Rb铷85.47 38 Sr锶87.6239 Y钇88.9140 Zr锆91.2241 Nb铌92.9142 Mo钼95.9643Tc锝[98]44 Ru钌101.145 Rh铑102.946 Pd钯106.447 Ag银107.948 Cd镉112.449 In铟114.850 Sn锡118.751 Sb锑121.852 Te碲127.653 I碘126.954 Xe氙131.3655 Cs铯132.9 56 Ba钡137.357-71La~Lu镧系72 Hf铪178.573 Ta钽180.974 W钨183.875 Re铼186.276 Os锇190.277 Ir铱192.278 Pt铂195.179 Au金197.080 Hg汞200.681 Tl铊204.482 Pb铅207.283 Bi铋209.084Po钋[209]85At砹[210]86Rn氡[222]787Fr钫[223]88Ra镭[226]89-103Ac~Lr锕系104 Rf钅卢*[265]105Db钅杜*[268]106Sg钅喜*[271]107Bh钅波*[270]108Hs钅黑*[277]109Mt钅麦*[276]110Ds钅达*[281]111Rg钅仑*[280]112Cn钅哥*[285]113Uut*[284]114Fl*[289]115Uup*[288]116Lv*[293]117Uus*[294]118Uuo*[294]镧系57 La镧138.958 Ce铈140.159 Pr镨140.960 Nd钕144.261Pm钷 *[145]62 Sm钐150.463 Eu铕152.064 Gd钆157.365 Tb铽158.966 Dy镝162.567 Ho钬164.968 Er铒167.369 Tm铥168.970 Yb镱173.271 Lu镥175.0锕系89 Ac锕[227]90Th钍232.091 Pa镤231.092U铀238.093Np镎[237]94PU钚[244]95Am镅 *[243]96 Cm锔*[247]97Bk锫 *[247]98 Cf锎*[251]99Es锿 *[252]100Fm镄*[257]101Md钔*[258]102 No锘*[259]103 Lr铹*[262]。
族周期IA1元素周期表018电子层0族电子数11 H氢1.008II A2原子序数元素符号（红色表示放射性元素）元素名称（注*的表示人造元素）相对原子质量（加括号的数据为该放射性元素半衰期最长同位素的质量数）金属元素非金属元素92 U铀238.0III A13IV A14VA15VI A16VII A172 He氦4.003K 22 3 Li锂6.9414 Be铍9.0125 B硼10.816 C碳12.017 N氮14.018 O氧16.009 F氟19.0010 Ne氖20.18LK823 11 Na钠22.9912 Mg镁24.31III B3IV B4VB5VI B6VII B7VIII8 9 10IB11II B1213 Al铝26.9814 Si硅28.0915 P磷30.9716 S硫32.0617 Cl氯35.4518 Ar氩39.95MLK8824 19 K钾39.1020 Ca钙40.0821 Sc钪44.9622 Ti钛47.8723 V钒50.9424 Cr铬52.0025 Mn锰54.9426 Fe铁55.8527 Co钴58.9328 Ni镍58.6929 Cu铜63.5530Zn锌65.4131 Ga镓69.7232 Ge锗72.6433 As砷74.9234 Se硒78.9635 Br溴79.9036 Kr氪83.80NMLK818825 37 Rb铷85.4738 Sr锶87.6239 Y钇88.9140Zr锆91.2241 Nb铌92.9142 Mo钼95.9443 Tc锝[98]44 Ru钌102.945 Rh铑102.946 Pd钯106.447 Ag银107.948 Cd镉112.449 In铟114.850Sn锡118.751 Sb锑121.852 Te碲127.653 I碘126.954 Xe氙131.3ONMLK81818826 55 Cs铯132.956 Ba钡137.357~71La~Lu镧系72 Hf铪178.573 Ta钽180.974 W钨183.875 Re铼186.276 Os锇190.277 Ir铱192.278 Pt铂195.179 Au金80Hg汞81 Tl82 Pb铅83 Bi84 Po钋85 At砹[210]86 Rn氡[222]PONMLK8183218827 87 Fr钫[223]88 Rr镭[226]89~103Ac~Lr锕系104 Rf钅卢*[261]105 Db钅杜*[262]106 Sg钅喜*[266]107 Bh钅波*[264]108 Hs钅黑*[277]109 Mt钅麦*[268]110Ds钅达*[281]197.0111Rg钅仑*[272]112 Cn钅哥*[285]Uut*[284]Uuq*[289]Uup*[288]Uuh*[292]117Uus*[291]118Uuo*[293]镧系57 La镧138.958 Ce铈140.159 Pr镨140.960Nd钕144.261 Pm钷[145]62 Sm钐150.463 Eu铕152.064 Gd钆157.365 Tb铽158.966 Dy镝162.567 Ho钬164.968 Er铒167.369 Tm铥168.970Yb镱173.071 Lu镥175.0锕系89 Ac锕[227]90Th钍232.091 Pa镤231.092 U铀238.093 Np镎[237]94 Pu钚[244]95 Am镅*[243]96 Cm锔*[247]97 Bk锫*[147]98 Cf锎*[251]99 Es锿*[252]100Fm镄*[257]101Md钔*[258]102 No锘*[259]103 Lr铹*[262]200.6铊113114115116204.4207.2209.0[209]铋1 2 3 4 5 6 7181716151413121110987654321PERIODIC TABLE OF ELEMENTS。
