2019-06-25
1 H 氢 1.0079 | 2 He 氦 4.0026 | ||||||
3 Li 锂 6.941 | 4 Be 铍 9.0122 | 5 B 硼 10.811 | 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 28.086 | 15 P 磷 30.974 | 16 S 硫 32.066 | 17 Cl 氯 35.453 | 18 Ar 氩 39.948 |