-
Search for:
- s
- 区
- p
- 区
- d
- 区
- f
- 区
- 1 H 氢 1.008
- 2 He 氦 4.0026
- 3 Li 锂 6.94
- 4 Be 铍 9.0122
- 5 B 硼 10.81
- 6 C 碳 12.011
- 7 N 氮 14.007
- 8 O 氧 15.999
- 9 F 氟 18.998
- 10 Ne 氖 20.180
- 11 Na 钠 22.990
- 12 Mg 镁 24.305
- 13 Al 铝 26.982
- 14 Si 硅 28.085
- 15 P 磷 30.974
- 16 S 硫 32.06
- 17 Cl 氯 35.45
- 18 Ar 氩 39.948
- 19 K 钾 39.098
- 20 Ca 钙 40.078
- 21 Sc 钪 44.956
- 22 Ti 钛 47.867
- 23 V 钒 50.942
- 24 Cr 铬 51.996
- 25 Mn 锰 54.938
- 26 Fe 铁 55.845
- 27 Co 钴 58.933
- 28 Ni 镍 58.693
- 29 Cu 铜 63.546
- 30 Zn 锌 65.38
- 31 Ga 镓 69.723
- 32 Ge 锗 72.630
- 33 As 砷 74.922
- 34 Se 硒 78.971
- 35 Br 溴 79.904
- 36 Kr 氪 83.798
- 37 Rb 铷 85.468
- 38 Sr 锶 87.62
- 39 Y 钇 88.906
- 40 Zr 锆 91.224
- 41 Nb 铌 92.906
- 42 Mo 钼 95.95
- 43 Tc 锝 (98)
- 44 Ru 钌 101.07
- 45 Rh 铑 102.91
- 46 Pd 钯 106.42
- 47 Ag 银 107.87
- 48 Cd 镉 112.41
- 49 In 铟 114.82
- 50 Sn 锡 118.71
- 51 Sb 锑 121.76
- 52 Te 碲 127.60
- 53 I 碘 126.90
- 54 Xe 氙 131.29
- 55 Cs 铯 132.91
- 56 Ba 钡 137.33
- 57 La 镧 138.91
- 58 Ce 铈 140.12
- 59 Pr 镨 140.91
- 60 Nd 钕 144.24
- 61 Pm 钷 (145)
- 62 Sm 钐 150.36
- 63 Eu 铕 151.96
- 64 Gd 钆 157.25
- 65 Tb 铽 158.93
- 66 Dy 镝 162.50
- 67 Ho 钬 164.93
- 68 Er 铒 167.26
- 69 Tm 铥 168.93
- 70 Yb 镱 173.05
- 71 Lu 镥 174.97
- 72 Hf 铪 178.49
- 73 Ta 钽 180.95
- 74 W 钨 183.84
- 75 Re 铼 186.21
- 76 Os 锇 190.23
- 77 Ir 铱 192.22
- 78 Pt 铂 195.08
- 79 Au 金 196.97
- 80 Hg 汞 200.59
- 81 Tl 铊 204.38
- 82 Pb 铅 207.2
- 83 Bi 铋 208.98
- 84 Po 钋 (209)
- 85 At 砹 (210)
- 86 Rn 氡 (222)
- 87 Fr 钫 (223)
- 88 Ra 镭 (226)
- 89 Ac 锕 (227)
- 90 Th 钍 232.04
- 91 Pa 镤 231.04
- 92 U 铀 238.03
- 93 Np 镎 (237)
- 94 Pu 钚 (244)
- 95 Am 镅 (243)
- 96 Cm 锔 (247)
- 97 Bk 锫 (247)
- 98 Cf 锎 (251)
- 99 Es 锿 (252)
- 100 Fm 镄 (257)
- 101 Md 钔 (258)
- 102 No 锘 (259)
- 103 Lr 铹 (266)
- 104 Rf 𬬻 (267)
- 105 Db 𬭊 (268)
- 106 Sg 𬭳 (269)
- 107 Bh 𬭛 (270)
- 108 Hs 𬭶 (277)
- 109 Mt 鿏 (278)
- 110 Ds 𫟼 (281)
- 111 Rg 𬬭 (282)
- 112 Cn 鿔 (285)
- 113 Nh 鿭 (286)
- 114 Fl 𫓧 (289)
- 115 Mc 镆 (290)
- 116 Lv 𫟷 (293)
- 117 Ts 鿬 (294)
- 118 Og 鿫 (294)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15氮族元素
16氧族元素
17卤素
18
1s
2s
3s
4s
5s
6s
7s
2p
3p
4p
5p
6p
7p
3d
4d
5d
6d
4f
5f
序号
符号
名称
重量
1
2
3
4
5
6
57–71
6
7
89–103
7
对没有稳定同位素的元素,其同位素中半衰期最长的重量以括号标示。