1 氫 H 1.007 94(7)
2 氦 He 4.002 602(2)
3 鋰 Li 6.941(2)
4 鈹 Be 9.012 182(3)
5 硼 B 10.811(7)
6 碳 C 12.017(8)
7 氮 N 14.006 7(2)
8 氧 O 15.999 4(3)
9 氟 F 18.998 403 2(5)
10 氖 Ne 20.179 7(6)
11 鈉 Na 22.989 769 28(2)
12 鎂 mg 24.305 0(6)
13 鋁 Al 26.981 538 6(8)
14 矽 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 氬 Ar 39.948(1)
19 鉀 K 39.098 3(1)
20 鈣 Ca 40.078(4)
21 鈧 Sc 44.955 912(6)
22 鈦 Ti 47.867(1)
23 釩 V 50.941 5(1)
24 鉻 Cr 51.996 1(6)
25 錳 Mn 54.938 045(5)
26 鐵 Fe 55.845(2)
27 鈷 Co 58.933 195(5)
28 鎳 ni 58.693 4(2)
29 銅 Cu 63.546(3) 30 鋅 Zn 65.409(4) 31 鎵 Ga 69.723(1) 32 鍺 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 銣 Rb 85.467 8(3) 38 鍶 Sr 87.62(1) 39 釔 Y 88.905 85(2) 40 鋯 Zr 91.224(2) 41 鈮 Nb 92.906 38(2) 42 鉬 Mo 95.94(2) 43 鎝 Tc [97.9072] 44 釕 Ru 101.07(2) 45 銠 Rh 102.905 50(2) 46 鈀 Pd 106.42(1) 47 銀 Ag 107.868 2(2) 48 鎘 Cd 112.411(8) 49 銦 In 114.818(3) 50 錫 Sn 118.710(7) 51 銻 Sb 121.760(1) 52 碲 Te 127.60(3) 53 碘 I 126.904 47(3) 54 氙 Xe 131.293(6) 55 銫 Cs 132.905 451 9(2) 56 鋇 Ba 137.327(7) 57 鑭 La 138.905 47(7) 58 鈰 Ce 140.116(1) 59 鐠 Pr 140.907 65(2) 60 釹 Nd 144.242(3) 61 鉕 Pm [145] 62 釤 Sm 150.36(2) 63 銪 eu 151.964(1) 64 釓 Gd 157.25(3) 65 鋱 Tb 158.925 35(2) 66 鏑 Dy 162.500(1) 67 鈥 Ho 164.930 32(2) 68 鉺 Er 167.259(3) 69 銩 Tm 168.934 21(2) 70 鐿 Yb 173.04(3) 71 鎦 Lu 174.967(1) 72 鉿 Hf 178.49(2) 73 鉭 Ta 180.947 88(2) 74 鎢 W 183.84(1) 75 錸 Re 186.207(1) 76 鋨 Os 190.23(3) 77 銥 ir 192.217(3) 78 鉑 Pt 195.084(9) 79 金 Au 196.966 569(4) 80 汞 Hg 200.59(2) 81 鉈 Tl 204.383 3(2) 82 鉛 Pb 207.2(1) 83 鉍 Bi 208.980 40(1) 84 釙 Po [208.982 4] 85 砈 At [209.987 1] 86 氡 Rn [222.017 6] 87 鍅 Fr [223] 88 鐳 Re [226] 89 錒 Ac [227] 90 釷 Th 232.038 06(2) 91 鏷 Pa 231.035 88(2) 92 鈾 U 238.028 91(3) 93 錼 Np [237] 94 鈽 Pu [244] 95 鋂 Am [243] 96 鋦 Cm [247] 97 鉳 bk [247] 98 鉲 cf [251] 99 鑀 Es [252] 100 鐨 fm [257] 101 鍆 Md [258] 102 鍩 No [259] 103 鐒 Lr [262] 104 釒盧 Rf [261] 105 釒杜 db [262] 106 釒喜 Sg [266] 107 釒波 Bh [264] 108 釒黑 Hs [277] 109 釒麥 mt [268] 110 釒達 Ds [271] 111 錀 Rg [272] 112 Uub [285] 113 Uut [284] 114 Uuq [289] 115 Uup [288] 116 Uuh [292] 117 Uus [291] 118 Uuo [293]
1 氫 H 1.007 94(7)
2 氦 He 4.002 602(2)
3 鋰 Li 6.941(2)
4 鈹 Be 9.012 182(3)
5 硼 B 10.811(7)
6 碳 C 12.017(8)
7 氮 N 14.006 7(2)
8 氧 O 15.999 4(3)
9 氟 F 18.998 403 2(5)
10 氖 Ne 20.179 7(6)
11 鈉 Na 22.989 769 28(2)
12 鎂 mg 24.305 0(6)
13 鋁 Al 26.981 538 6(8)
14 矽 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 氬 Ar 39.948(1)
19 鉀 K 39.098 3(1)
20 鈣 Ca 40.078(4)
21 鈧 Sc 44.955 912(6)
22 鈦 Ti 47.867(1)
23 釩 V 50.941 5(1)
24 鉻 Cr 51.996 1(6)
25 錳 Mn 54.938 045(5)
26 鐵 Fe 55.845(2)
27 鈷 Co 58.933 195(5)
28 鎳 ni 58.693 4(2)
29 銅 Cu 63.546(3) 30 鋅 Zn 65.409(4) 31 鎵 Ga 69.723(1) 32 鍺 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 銣 Rb 85.467 8(3) 38 鍶 Sr 87.62(1) 39 釔 Y 88.905 85(2) 40 鋯 Zr 91.224(2) 41 鈮 Nb 92.906 38(2) 42 鉬 Mo 95.94(2) 43 鎝 Tc [97.9072] 44 釕 Ru 101.07(2) 45 銠 Rh 102.905 50(2) 46 鈀 Pd 106.42(1) 47 銀 Ag 107.868 2(2) 48 鎘 Cd 112.411(8) 49 銦 In 114.818(3) 50 錫 Sn 118.710(7) 51 銻 Sb 121.760(1) 52 碲 Te 127.60(3) 53 碘 I 126.904 47(3) 54 氙 Xe 131.293(6) 55 銫 Cs 132.905 451 9(2) 56 鋇 Ba 137.327(7) 57 鑭 La 138.905 47(7) 58 鈰 Ce 140.116(1) 59 鐠 Pr 140.907 65(2) 60 釹 Nd 144.242(3) 61 鉕 Pm [145] 62 釤 Sm 150.36(2) 63 銪 eu 151.964(1) 64 釓 Gd 157.25(3) 65 鋱 Tb 158.925 35(2) 66 鏑 Dy 162.500(1) 67 鈥 Ho 164.930 32(2) 68 鉺 Er 167.259(3) 69 銩 Tm 168.934 21(2) 70 鐿 Yb 173.04(3) 71 鎦 Lu 174.967(1) 72 鉿 Hf 178.49(2) 73 鉭 Ta 180.947 88(2) 74 鎢 W 183.84(1) 75 錸 Re 186.207(1) 76 鋨 Os 190.23(3) 77 銥 ir 192.217(3) 78 鉑 Pt 195.084(9) 79 金 Au 196.966 569(4) 80 汞 Hg 200.59(2) 81 鉈 Tl 204.383 3(2) 82 鉛 Pb 207.2(1) 83 鉍 Bi 208.980 40(1) 84 釙 Po [208.982 4] 85 砈 At [209.987 1] 86 氡 Rn [222.017 6] 87 鍅 Fr [223] 88 鐳 Re [226] 89 錒 Ac [227] 90 釷 Th 232.038 06(2) 91 鏷 Pa 231.035 88(2) 92 鈾 U 238.028 91(3) 93 錼 Np [237] 94 鈽 Pu [244] 95 鋂 Am [243] 96 鋦 Cm [247] 97 鉳 bk [247] 98 鉲 cf [251] 99 鑀 Es [252] 100 鐨 fm [257] 101 鍆 Md [258] 102 鍩 No [259] 103 鐒 Lr [262] 104 釒盧 Rf [261] 105 釒杜 db [262] 106 釒喜 Sg [266] 107 釒波 Bh [264] 108 釒黑 Hs [277] 109 釒麥 mt [268] 110 釒達 Ds [271] 111 錀 Rg [272] 112 Uub [285] 113 Uut [284] 114 Uuq [289] 115 Uup [288] 116 Uuh [292] 117 Uus [291] 118 Uuo [293]